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...[Cagiva Cruiser]], using an engine equipped with exhaust valve and exhaust valve of date, this model is accompanied by [[Cagiva K7]] which is virtually iden ...del to the updated engine (cylinder and piston) and the electronic control valve.

...[[internal combustion engine]] is one in which the entry and exit [[poppet valve|valves]] and ports are contained in the [[cylinder head]]. ...esigns, which made use of [[Cam-in-block#L-head|side valves]] and [[sleeve valve]]s.

[[image:piston.jpg|thumb|right|200px|'''piston + connecting rod''']] In general, a '''piston''' is a sliding [[plug]] that fits closely inside the [[bore]] of a [[cylin

...ston rings|rings]], piston pins, and piston pin bushings are fitted to the piston. The pistons are installed on the rods using and are placed in the cylinder On overhead valve and flathead engines, the [[camshaft]] may also be installed. If the engine

[[Image:cylinder.png|frame|right|A piston and cylinder from a steam engine]] ...n engine]] or [[external combustion engine]] is the space within which a [[piston]] travels. Multiple cylinders are commonly arranged side by side in a bank

...single square, this development adopts a new engine fitted with an exhaust valve This model was produced until [[1990]], replaced by [[Cagiva N 90]]. ...the freshman 4P003106 of this model, has different configurations, using a valve gas, [[pin taper]], different gun, whereas the exchange rate using a first

[[Image:cylinder.png|frame|right|A piston and cylinder from a steam engine]] ...n engine]] or [[external combustion engine]] is the space within which a [[piston]] travels. Multiple cylinders are commonly arranged side by side in a bank

...ine -- Air cooled, four stroke, 90°“L”twin cylinder, SOHC, desmodromic 2 valve per cylinder. *Front Brakes -- 2x 320mm discs 4 piston calipers

[[Image:FordtaunusV4front.jpg|thumb|right|250px|[[Poppet valve|Valve]] timing [[gear]]s on a [[Ford Taunus V4 engine]] — the small gear is ...it, one for each valve. The cams force the valves open by pressing on the valve, or on some intermediate mechanism, as they rotate.

...primarily on [[semi-truck]]s or other large vehicles that modifies engine valve operation to use engine [[Physical compression|compression]] to slow the ve ...ed air in the cylinder preventing it from returning its energy back to the piston and accordingly, the vehicle.

...tion engine]]. These components include [[cylinder (engine)|cylinder]]s, [[piston]]s, [[crankshaft]] or crankshafts and [[camshaft]] or camshafts. ==Categorisation by piston motion==

...ide the [[piston]], instead of in the [[cylinder head]], as in an overhead valve or [[OHV]] engine. The design was common on early engine designs, but has s ...posed to needing some sort of mechanical arrangement to push down as on a "valve-in-block" engine. It may also lead to slighly easier cooling, as the valves

...our ''strokes'', or straight movements alternately, back and forth, of a [[piston]] inside a [[cylinder (engine)|cylinder]]: ...ylinder through the intake (inlet) port. The intake (inlet) [[poppet valve|valve]] (or valves) then close(s), and the following upward stroke (''compression

...our ''strokes'', or straight movements alternately, back and forth, of a [[piston]] inside a [[cylinder (engine)|cylinder]]: ...ylinder through the intake (inlet) port. The intake (inlet) [[poppet valve|valve]] (or valves) then close(s), and the following upward stroke (''compression

...ve guide]]. In most applications a pressure differential helps to seal the valve and in some applications also open it. ...[Schrader valve]]s used on tires are examples of poppet valves. The Presta valve has no spring and relies on a pressure differential for opening and closing

...he chamber. This pressure can be used to do work, for example, to move a [[piston]] on a [[crankshaft]] or a [[turbine|turbine disc]] in a [[gas turbine]]. T ...bove the rising piston, improving mixing and combustion. The shape of the piston top also affects the amount of "swirl." Finally, the spark plug must be si

...our ''strokes'', or straight movements alternately, back and forth, of a [[piston]] inside a [[cylinder (engine)|cylinder]]: ...ylinder through the intake (inlet) port. The intake (inlet) [[poppet valve|valve]] (or valves) then close(s), and the following upward stroke (''compression

[[image:piston.jpg|thumb|right|150px|piston (top) and connecting rod from typical automotive engine (scale is in centim ...I) Intake camshaft, (S) [[Spark plug]], (V) [[poppet valve|Valve]]s, (P) [[Piston]], (R) Connecting rod, (C) [[Crankshaft]], (W) Water jacket for coolant flo

[[Image:Opposed_piston_engine_1.jpg|thumb|300px|Fairbanks-Morse opposed piston [[diesel engine]]s on the [[submarine]] ''[[USS Pampanito]]''.]] ...a piston at each end and no cylinder-head. Some variations of the Opposed Piston or OP designs can use 1 crankshaft like the Doxfordship engines [http://www

! colspan=2 |2 Valve Desmodromic Valve Train ...opening and closing) are "operated". It is usual to say that action on the valve is positive in both cases, in other words, both strokes are controlled.

...Also, [[cylinder head]] gaskets will be thinner, and with the top of the [[piston]] rising up into the [[combustion chamber]], for high-performance NA engine

...'' <br>Components of a typical, [[four stroke cycle]], internal combustion piston engine. <br> '''V''' - [[poppet valve|Valve]]s<br>

...mpression, power, exhaust) still occur. Thus, there is a power stroke per piston for every engine revolution, instead of every second revolution. Two stroke ...stroke cycles have also been used in [[diesel engine]]s, notably [[opposed piston]] designs, low speed units such as large marine engines, and [[V8]] engines

...ways an odd number of cylinders, as this allows for a constant every-other-piston firing order: for example, with a single bank of 7 cylinders, the order wou ...ntake [[manifold (automotive engineering)|manifold]] or the [[poppet valve|valve]] cover(s).

[[Image:Pushrod2.PNG|thumb|Components of a pushrod valve actuation system]] ...cker arm|rocker arms]] above the [[cylinder head]] to actuate the [[poppet valve|valves]]. Lifters or ''[[tappet]]s'' reside in the engine block between the

[[Image:Bristol Perseus sleeve valve radial engine.jpg|thumb|200px|''Bristol Perseus'']] ...rcraft engine]]s, but subsequently fell from use due to advances in poppet-valve technology (sodium cooling) and to their tendency to burn considerable amou

...Motors Corporation|General Motors]] owned marques (flathead and [[overhead valve|OHV]] configuration), but the straight-8 lost favor by the [[1950s]], almos {{Piston engine configurations}}

...la One]] engine in its final, 64-[[Poppet valve#Internal combustion engine|valve]] incarnation.]] {{Piston engine configurations}}

...win]], [[fuel injection|fuel injected]] 4 valve per cylinder [[desmodromic valve|desmodromic]], liquid cooled<br>Bore x stroke: 100.0&nbsp;mm x 63.5&nbsp;mm ...sp;mm disc, 4-piston Brembo caliper <br>Rear: Single 220&nbsp;mm disc, two-piston caliper

...Q35DE 005.jpg|250px|thumb|right|A [[cylinder head]] of four [[Poppet valve|valve]] engine.<br />( [[Nissan VQ engine]] )]] ...lve''' (or '''multivalve''') when each cylinder has more than two [[poppet valve|valves]].

...rocating motion necessary to operate the intake and exhaust [[poppet valve|valve]]s of the [[Cylinder (engine)|cylinder]]s. ...the [[crankshaft]] of a car, which takes the reciprocating motion of the [[piston]]s and translates it into the rotary motion necessary to operate the [[whee

...vements of the piston) rather than four. Thus, there is a power stroke per piston for every engine revolution, instead of every second revolution. Two-stroke ...stroke cycles have also been used in [[diesel engine]]s, notably [[opposed piston]] designs, low speed units such as large marine engines, and [[V8]] engines

...an [[engine]] which translates [[reciprocate|reciprocating]] [[linear]] [[piston]] motion into rotation. It typically connects to a [[flywheel]], to reduce ...speed operation of the engine, as the longer intake stroke through smaller valve(s) results in greater turbulence and mixing of the intake charge. For this

...depressed, [[leverage]] multiplies the force applied from the pedal to a [[piston]] in the master cylinder. ...s which are forced apart by the fluid pressure, (drum brakes) and a single piston which is forced out of its housing (disc brakes.)

...orientated motorcycle. With its traditional [[Ducati]] L Twin Desmodromic Valve actuated engine layout, it has a linear power delivery, with high power fig ...' Liquid cooled, four stroke, 90°“L”twin cylinder, DOHC, [[desmodromic]] 4 valve per cylinder.

...Multiple models based on the Ducati L-twin. Two valve air-cooled and four valve water cooled. ...e sales. Ducati motorcycles are best-known for their L-twin [[Desmodromic valve]] engines (also known as a '''90° [[V-Twin]]''') and tubular steel trellis

[[L-twin]], 4 valve per cylinder [[desmodromic valve|desmodromic]], liquid cooled; ...-floating discs, radial [[Brembo]] 4-piston calipers, Rear: 245 mm disc, 2-piston caliper

...in the commercialization of hemi engines revolved around the design of the valve actuation, and how to make it effective, efficient, and reliable at an acce Although a wedge-head design offers simplified valve actuation, it usually requires the air/fuel mixture to make sharp turns en

...y be shifted under heavy braking, by means of a mechanical [[proportioning valve]], to prevent rear-wheel lockup. EBD instead applies brake force precisely

* I-head, also known as overhead valve (OHV) ...refers to the cam-in-block valvetrain configuration in which the [[poppet valve|valves]] are placed in the engine block beside the [[pistons]]. The design

...very great, as far as the front brakes are type of double disc and single piston calipers. ...tion of goodwill electric, a new cylinder, but not yet fitted with exhaust valve and the adoption of a recovery of the lung to improve the delivery and powe

...ng the driveline causes parasitic loss. Bearings, oil pumps, piston rings, valve springs, flywheels, transmissions, driveshafts, differentials, etc., all ar

This article is about a type of piston engine. For internal combustion engines which do not use pistons, see [[pi ...e added. Because the cylinders themselves functioned as a flywheel, rotary piston engines typically had a [[power-to-weight ratio]] advantage over more conve

| Engine || 748&nbsp;cc [[desmodromic valve|desmodromic]] liquid cooled [[L-twin]]<br>Bore x stroke: 90&nbsp;mm x 58.8& * Front brake: 2 x 320 mm semi-floating discs, 4-piston 4-pad caliper

|Piston |Piston

| Engine || 696 cc, 2 valves per cylinder [[desmodromic valve|desmodromic]] air cooled [[L-twin]]<br>Bore x stroke: 88 mm × 57.2 mm / 88 ...Front: Two 320 mm discs, radial 4-piston calipers<br>Rear: 245 mm disc, 2-piston caliper

| Engine || 549/572&nbsp;cc 4-valve [[desmodromic valve|desmodromic]] [[single cylinder engine|single]]<br>12:1 [[compression ratio | Brakes || Dual 11-inch, 4-piston Brembo [[disc brakes|disc]]

|Engine || 1,198&nbsp;cc 4-valve [[desmodromic valve|desmodromic]] liquid-cooled [[L-twin]]. ...2-pad Brembo calipers, radial master cylinder<br>Rear: 245&nbsp;mm disc, 2-piston caliper<br>

...nter]] simultaneously. Boxer engines should not be confused with [[opposed piston engine]]s, which use a completely different concept. ...esign for the first internal combustion engine with horizontally opposed [[piston]]s in 1896.

...lect in the bottom of the air tank. Each air tank is equipped with a drain valve in the bottom. There are three types: * Automatic. The water and oil are automatically expelled from the valve (these valves are equipped for manual draining as well).

|Engine || 1100&nbsp;cc Dual Spark, [[Desmodromic valve|Desmodromic]] |Brakes || Front: 2 x 305mm discs, 4-piston radial Brembo pistons <br>Rear: 245mm

...n was a simple vacuum brake, in which vacuum was created by operation of a valve on the locomotive; the vacuum actuated brake pistons on each vehicle, and t ...air to the train pipe; these may be separate controls or a combined brake valve;

In 2003 a new fuel-injected [[desmodromic valve|desmodromic]] [[L-twin]], 88&nbsp;mm x 66&nbsp;mm, 803&nbsp;cc engine, and The two-valve per cylinder engine produced 74.5&nbsp;hp @ 8250&nbsp;rpm, and 70 N·m (7.1

...ng" - increasing the diameter of the [[cylinder (engine)|cylinder]]s and [[piston]]s, or by "stroking" - using a [[crankshaft]] with a longer stroke (in comb ...ixture entering, and the exhaust gases leaving the cylinder. Using [[multi-valve|multiple valves]] per cylinder results in the same thing - it is often more

...|| Air cooled, four stroke, 90° “L”twin cylinder, SOHC, desmodromic 2 valve per cylinder. The two-valve per cylinder engine produced 74.5&nbsp;hp @ 8250&nbsp;rpm, and 70 N·m (7.1

...cacco'' ''Kit'' had the same engine, but with the suction regulated by the valve and a monotrave strip chassis. The "Cinquantino" cross and the ''Arrow CR''

...troke (engine)|stroke]], and the volume of the combustion chamber when the piston is at the top of its stroke. ...r (900 cc in the cylinder plus 100 cc in the combustion chamber). When the piston has moved up to the top of its stroke inside the cylinder, and the remainin

| Piston rings | Valve spring

...ouse Air Brake control handle and valve.jpg|thumb|200px|Control handle and valve for a Westinghouse Air Brake.]] ...ompressed air pushes on a [[piston]] in a [[brake cylinder|cylinder]]. The piston is connected to a [[brake shoe]] that can rub on the train wheel, using the

...is filled with a fluid, such as hydraulic fluid or air. This fluid filled piston/cylinder combination is a [[dashpot]]. ...combination, "shock absorber" is reserved specifically for the hydraulic piston that absorbs and dissipates vibration.

|Class || [[DOHC]] 60° [[Multi-valve|24-valve]] [[V6 engine|V6]] ...and exhaust valves and electronic throttle control. Other features include piston oil-jet capability, forged crankshaft and connecting rods, [[VLIM|variable

The '''cam-in-block''' [[valvetrain]] layout of [[piston engine]]s is one where the [[camshaft]] is placed within the [[cylinder blo * I-head, also known as [[overhead valve]] (OHV)

...wo banks of three cylinders on each side of a central [[crankcase]]. The [[piston]]s are mounted to the [[crankshaft]] such that opposing pistons move back a ...ankshaft rotation and start their power strokes every 180 degrees, so each piston must come to a complete stop before the next one commences its power stroke

* I-head, also known as overhead valve (OHV) ...refers to the cam-in-block valvetrain configuration in which the [[poppet valve|valves]] are placed in the engine block beside the [[pistons]]. The design

...most similar to the operation of a [[SOHC]] V6 engine. However, later (24 valve) VR6 engines use two camshafts, the right bank camshaft operates the right ...R6 engine. The original VR6 engine displaced 2.8&nbsp;L and featured a 12 valve design. These engines produced 174&nbsp;[[horsepower#PS|PS]] (128&nbsp;kW/

The 999R also has titanium valve collets, 12-hole racing injectors, magnesium head covers, carbon fibre timi *Front brake: 2 x 320&nbsp;mm semi-floating discs, 4-piston 4-pad radial caliper

...ons is always moving up at the same time as the other pair is moving down, piston speed - as with all internal combustion engines - is higher through the top ...for the first time dual overhead camshafts ([[DOHC]]) and 4 [[poppet valve|valve]]s per cylinder, a layout that would become the standard until today for ra

...found on most modern cars also control the [[ignition timing]], [[Variable Valve Timing]] (VVT), the level of boost maintained by the [[turbocharger]] (in t ...k" requirement of the moment. In this case the knock/ping results from the piston not being able to move downward as fast as the flame front is expanding.

...330mm semi-floating discs, radially mounted [[Brembo]] Monobloc calipers 4-piston, 2-pad. | colspan="3" | 245mm disc, 2-piston caliper

...h are permitted to expand. The expanding gases are used to directly move a piston, turbine blades, rotor(s), or the [[engine]] itself thus doing useful work. ...the piston to return to its previous position (Top Dead Center - TDC). The piston can then proceed to the next phase of its cycle (which varies between engin

...t through a reed valve on the sump and, in part, through the motion of the piston. The power was 20 hp at 9600 rpm with a displacement of 123.6 cc. In 1976 b

...most internal combustion engines. For comparison, the naturally-aspirated piston engine production car with the [[List of automotive superlatives#Most speci ...lt. Since the 1990s all Formula One engine manufacturers now use pneumatic valve springs with the pressurised air allowing engines to reach speeds nearly 20

...win]], [[fuel injection|fuel injected]] 4 valve per cylinder [[desmodromic valve|desmodromic]], liquid cooled<br>Bore x stroke: 98&nbsp;mm x 66&nbsp;mm<br>C ...x 320&nbsp;mm discs, 4 piston calipers<br>Rear: Single 220&nbsp;mm disc, 2 piston caliper

...ber, which are permitted to expand. The expanding gases are used to move a piston, turbine blades, rotor, or the engine itself. ...[crank (mechanism)|crank]] (purple). A single sweep of the cylinder by the piston in an upward or downward motion is known as a stroke and the downward strok

...which uses a [[rotary combustion engine|rotor]] instead of reciprocating [[piston engine|pistons]]. This design promises smooth high-rpm power from a compact ...around an [[Oval (geometry)|oval]], unlike the reciprocating motion of a [[piston engine]]. In the basic single rotor Wankel engine, a single oval (technical

...ch assembly powered by high pressure hydraulic assistance. A belt driven 7-piston pump, similar in size to a power steering pump generates this pressure when ...and 180 bars. It powers the front brakes first, prioritised via a security valve, and depending on type, can power steering, clutch, gearchange etc.

...removable hardtop. It has a 4.7&nbsp;L naturally-aspirated [[multivalve|60-valve]] [[V12]] engine that was developed from the 3.5L V12 used in the 1992 Ferr Configuration: Longitudinal 60-valve 65° V12, derived from F1 unit<br>

...crankshaft, 90-degree V-twin, Valve arrangement: OHV, 1 intake, 1 exhaust valve, operated by pushrods, rockers, screw-type adjusters, 1064cc, 92 x 80mm, Co ...Capacity: 5.0 US Gallons; Braking: Front: Dual 320 mm floating discs w/ 4 piston calipers, Rear: 282 mm disc; Tires: Front: 110/90 VB 18 tubeless, Rear: 140

...xles in the head and 4 titanium valves. The engine shaft is composite, the piston is forged in aluminum with ...kers: there are 6 ex-tractable gears and it has a fine positively actuated valve gear

...caliper 2-piston, 2-pad caliper (GT1000). Rear brake 245&nbsp;mm disc, 1-piston floating caliper ...llow", but the original colour went by the name "gallo fly". It uses a two valve 1000DS motor with twin stacked exhaust pipes on the right hand side in a 14

==Two valve engines== ...;cc GP engines used desmodromic two valve heads with an 80 degree included valve angle. They used remote float bowl Dell'Orto 40&nbsp;mm carburettors, and h

...arate working fluid, which then in turn does work, for example by moving a piston. ...horizontal double-acting [[steam]] [[beam engine]], with [[cylinder]]s, [[piston]]s, [[connecting rod]]s, and [[flywheel]] in which the gas essentially took

...' closes the valves mechanically, without the need for valve springs. This valve system has become a trademark feature of Ducati motorcycles. ...gh rpm's needed to produce competitive power in a small engine generated [[valve float]], which Taglioni believed could be overcome with a [[desmodromic]] c

...], (I) Intake camshaft, (S) Spark plug, (V) [[poppet valve|Valves]], (P) [[Piston]], (R) [[Connecting rod]], (C) [[Crankshaft]], (W) Water jacket for coolant ...ead of round wires, as is used on [[distributor]] points or [[poppet valve|valve]] lash, will give erroneous results, due to the shape of spark plug electro

...cammes on roller bearings that vertical command four valves per cylinder, piston head flat, titanium connecting rods and a lubrication system Carter to dry. * [[Power]]: [[injection]] mechanical valve guillotine, [[turbo]] with intercooler

...ith Marchesini alloy wheels, dual 320mm floating front Brembo rotors, four-piston Brembo Gold Series calipers, a Bitubo steering damper, fully adjustable inv This new Guzzi is powered by a 992cc air-cooled, eight-[[valve]] transversal [[V-twin]] [[engine]] with single overhead cams. Basically it

[[Ford Motor Company|Ford]] still uses a straight six engine, a 24-valve 4.0&nbsp;L plant in atmospheric and [[supercharge]]d variants, in its Austr {{Piston engine configurations}}

...bsp;L V8 in the [[Ferrari 308 GTB#208 GTB|208 GTB]] of the [[1980s]]. Five-valve versions of Ferrari's 3.5&nbsp;L and 3.6&nbsp;L V8s were found in the [[Fer ...cars in the [[1950s]] and [[1960s]]. These cars were powered by a DOHC 32 valve V8, with up to 360 [[Horsepower|hp]] (270 kW).

...ated semimanubri for the front calipers a [[Brembo (industry) | Brembo]] 2-piston type float and [[brake disk|hard disk]] Brembo 320 mm, while the frame is o ...a propeller drawn to this discipline, was using a new [[backpressure valve|valve]] (''8A0067781''instead of''800058041'') and slightly expanded magazine cou

...ess than 0.15 seconds, with the intake cams being controlled by [[variable valve timing]]. The [[crankcase]] and [[cylinder head]]s are made from an aluminu ...employ a high-performance [[Brembo]] braking system with light alloy four-piston [[disc brake#calipers|calipers]] and cross-drilled large ventilating [[disk

...vacuum [[servo]] using two separate circuits. A rear mounted load sensing valve varied the bias of effort applied to the rear brakes, dependent on the load ...ion]] purposes. This car included many technical modifications such as 16-valve [[overhead camshaft#Double overhead camshaft|DOHC]] engine producing 140 PS

...]es. In a [[piston engine]], this is the volume that is ''swept'' as the [[piston]]s are moved from ''[[top dead centre]]'' to ''bottom dead centre''. ...ed by multiplying the number of cylinders in the engine with the area of a piston and the length of the [[Stroke (engines)|stroke]]. With circular pistons, d

...can be rotated so that it (almost) completely blocks the flow of air. This valve controls the flow of air through the carburetor throat and thus the quantit ...e butterfly valve (and in SU and similar sidedraft carburetors to pull the piston and metering rod up).

...to heat up rapidly, which increases its pressure, which in turn forces the piston downwards. The [[connecting rod]] transmits this motion to the [[crankshaf ...). For example, if the [[ECM]]/[[ECU]] initiates fuel injection when the [[piston]] is 10 degrees before TDC, the start of injection or "timing" is said to b

| Broken Piston | Dropped Valve

..., chrome bore cylinder, Dell’ Orto SS20 carburettor, expansion chamber and piston. The pistons were of various types with either 2 or 3 rings. ...Itom but produced by brothers Francesco and Walter Villa) with rotary disc valve induction won many races, and placed 2th in the Seniores Italian Champioshi

...240,000 [[United States Dollar| USD]]. Power came from a new 5.7 litre, 48 valve V12 featuring dual overhead cams and computer-controlled multi-point fuel i ...eels and tires chosen to work better with the all-wheel-drive system, four-piston [[Brembo]] sourced brakes, an updated dashboard design and a new computeriz

...ti history is classically based on [[L-twin]] engines, using [[desmodromic valve]] technology. Initially, Ducati considered the possibility of creating a Mo | Liquid-cooled, 90-degree, [[V4]] 4-stroke with 16-valve, [[Desmodromic]] [[DOHC]]

...n injector, into the engine's air intake, usually just ahead of the intake valve. ...fuel for optimal combustion. This process is repeated every time an intake valve opens.

...(Portugal) and Valencia (Spain) events in 2006, reportedly uses a similar valve-actuation design, not surprising considering Ilmor Engineering's background ...iven capacity translates into less capacity per cylinder. As a result, the piston for the resulting smaller cylinder is also smaller, weighing less. Less rec

...circular [[piston]]s and a maximum of two intake and two exhaust [[poppet valve|valves]] per cylinder. They must be [[V8]] engines and have 2.4 liters of [ ...]] [[composite material]]s for the cylinder block, [[cylinder head]] and [[piston]]s is not allowed.

*Petrol/Gasoline ([[naturally-aspirated]]) [[piston engine]] - 92.1&nbsp;kW (125.2&nbsp;PS/123.7&nbsp;hp)/litre - 2000 [[Honda *Petrol/Gasoline (forced-induction) [[piston engine]] - 149&nbsp;kW (203&nbsp;PS/200&nbsp;hp)/litre 400&nbsp;hp - 2005 M

...xhaust system. The LP670-4 SV comes standard with the LP640's optional six-piston caliper, 15-inch carbon-ceramic disc brakes, slowing black 18-inch wheels.

...ls - initially all two-strokes, including from 1953 onwards a 200cc rotary-valve twin bearing the curious name of the B200 Spring Lasting (don't ask!). This ...ronger roller-bearing crankshaft with external [[flywheel]], an [[Asso]] [[piston]] delivering 11.1:1 [[compression]] and a revised [[camshaft]] and rocker a

...nths after the Nozzle passing monsù, in the spring of 1937, for `' one new valve distribution in head tilted, commant from a single tree of distribution set ...o the power of the motor (rather elevated in relation to the class and the piston displacement), the lightness together (the hung car, in march order, someth

...a race, the [[1966 Italian Grand Prix]] at [[Monza]], with an improved 36-valve engine. ...006 Malaysian Grand Prix|Malaysian Grand Prix]] problems with the engine's piston rings meant that both drivers had to change their engines, Massa needing tw