The Suzuki T305, also known as the Suzuki Raider is a ,

two-stroke A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a Thermodynamic power cycle, power cycle with two strokes (up and down movements) of the piston during one power cycle, this power cycle being comple ...

, twin-cylinder motorcycle produced by the Japanese

Suzuki is a Japan, Japanese multinational corporation headquartered in Minami-ku, Hamamatsu, Japan. Suzuki manufactures automobiles, motorcycles, All-terrain vehicle, all-terrain vehicles (ATVs), outboard motor, outboard marine engines, wheelchairs ...

company between 1968 and 1969. The model was based T20 and used an enlarged version of the T20 engine. The model was superseded by the 315 cc T350 in 1970.

Technical details

Engine and transmission

The T305's engine was a development of the T20, which had been introduced in 1966. The 180° piston ported two stroke twin was of

unit construction : ''For the vehicle design where the vehicle's skin is used as a load-bearing element, see Monocoque.'' Unit construction is the design of larger motorcycles where the engine and gearbox components share a single casing. This sometimes includes ...

and had alloy

head A head is the part of an organism which usually includes the ears, brain, forehead, cheeks, chin, eyes, nose, and mouth, each of which aid in various sensory functions such as sight, hearing, smell, and taste. Some very simple animals may ...

and alloy

barrels A barrel or cask is a hollow cylindrical container with a bulging center, longer than it is wide. They are traditionally made of wooden staves and bound by wooden or metal hoops. The word vat is often used for large containers for liquids, u ...

with cast iron liners. The T20's bore was increased 6mm to whilst the

stroke A stroke is a medical condition in which poor blood flow to the brain causes cell death. There are two main types of stroke: ischemic, due to lack of blood flow, and hemorrhagic, due to bleeding. Both cause parts of the brain to stop functionin ...

remained at giving a displacement of . The engine had the compression ratio reduced to 6.7:1 and heavier flywheels than the T20 to aid low speed tractability. Claimed power output was @ 7,500 rpm, giving the machine a top speed of . Fuel was delivered by twin 32 mm Mikuni

carburettors A carburetor (also spelled carburettor) is a device used by an internal combustion engine to control and mix air and fuel entering the engine. The primary method of adding fuel to the intake air is through the venturi tube in the main meterin ...

. The engine was lubricated by the Suzuki ''Posi Force'' system which injected oil to the

main bearing Main may refer to: Geography * Main River (disambiguation) **Most commonly the Main (river) in Germany * Main, Iran, a village in Fars Province *"Spanish Main", the Caribbean coasts of mainland Spanish territories in the 16th and 17th centuries ...

s and

conrod A connecting rod, also called a 'con rod', is the part of a piston engine which connects the piston to the crankshaft. Together with the crank, the connecting rod converts the reciprocating motion of the piston into the rotation of the cranksha ...

journals. Primary drive was by helical gears to a multi-plate wet clutch, which had larger plates than the T20 to improve longevity. The six speed gearbox had larger gears than the T20 to improve reliability.

Chain drive Chain drive is a way of transmitting mechanical power from one place to another. It is often used to convey power to the wheels of a vehicle, particularly bicycles and motorcycles. It is also used in a wide variety of machines besides vehicles. ...

took power to the rear wheel.

Cycle parts

The duplex cradle frame of the T20 was retained. Rear suspension was by

swinging arm A swingarm, or "swinging arm" (UK), originally known as a swing fork or pivoted fork, is a single or double sided mechanical device which attaches the rear wheel of a motorcycle to its body, allowing it to pivot vertically. The main component of ...

with twin

shock absorber A shock absorber or damper is a mechanical or hydraulic device designed to absorb and damp shock impulses. It does this by converting the kinetic energy of the shock into another form of energy (typically heat) which is then dissipated. Most sh ...

s. At the front

telescopic fork A telescopic fork is a form of motorcycle front suspension whose use is so common that it is virtually universal. The telescopic fork uses fork tubes and sliders which contain the springs and dampers. The main advantages of the telescopic fork ...

s were used. Brakes were

drums A drum kit (also called a drum set, trap set, or simply drums) is a collection of drums, cymbals, and other Percussion instrument, auxiliary percussion instruments set up to be played by one person. The player (drummer) typically holds a pair o ...

front and rear, the front being an effective 2ls item.

TC305

An off-road version of the bike was released in the US as the TC305 Laredo. This model had high level exhausts.

References

External links

* {{Suzuki T & GT series timeline, state=autocollapse T305 Motorcycles introduced in 1968 Two-stroke motorcycles Motorcycles powered by straight-twin engines