What fuel do speedway bikes run on?

Why do speedway bikes run on methanol?

The fuel used to power a speedway bike is pure methanol this allows an increased compression ratio to the engine which then can produce more power than other fuels therefore giving increased results including higher speeds.

What fuel do they use in speedway?

With a top speed of around 80mph, speedway bikes have no brakes, just one fixed gear, a clutch and 500cc engines which run on methanol fuel. In power to weight ratio, a speedway bike can accelerate from 0-60 mph, faster than a Formula 1 car.

What engines do modern speedway bikes use?

Speedway bikes use a methanol fuelled 500cc engines which produce around 85 BHP. The major manufacturers are Jawa of the Czech Republic and GM of Italy. Modern bikes must adhere to strict weight limits, and use a ‘lay down’ configuration that helps produce a low centre of gravity.

What bikes are used in speedway?

There are two makes of Speedway Engine, GM and Jawa. Speedway bikes use a 500cc single cylinder engine capable of reaching 0-60 in 3 seconds. No brakes. No gears.

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How much HP do speedway bikes have?

An air-cooled, 500cc, Czechoslovakian Jawa Speedway bike is all skin and bones. With 75 horsepower and a 187-pound wet weight, the power-to-weight ratio pulls your arms out of their sockets when you get on the gas. First, there were no brakes.

Why do speedway bikes have no brakes?

That’s right, they have no brakes. The bikes use methanol as fuel and although they only have one gear, that gear accelerates the bikes from 0-60mph as fast as an F1 car!

What does a speedway bike cost?

A current speedway machine can cost from $7500 upward, and the ever-increasing power levels extracted from the 70+-horsepower, machines require careful maintenance to avoid reducing an engine that can have that much again in performance work into a worthless lump of alloy.

How do you start a speedway bike?

Woffinden says: “You start by leaning off the bike to tip it sideways and turning the bars to the left. You’ve got your left foot down on the steel shoe and because there’s some weight off the bike it’s freer underneath you. Then you roll off the throttle and nail it again to get the wheelspin that makes the bike turn.

Are all speedway bikes the same?

Anatomy of a speedway bike

Speedway bikes are completely unique, they are 500cc, have a single fixed gear and no brakes! Bikes are differentiated by the engines used, the rear wheel sprockets and the gear ratio chosen. All of this is dependent on the size of the track and racing conditions.

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Who makes GM speedway engines?

Speedway Pro Ltd is a new company formed to handle the import and distribution of GM engines, engine kits and spare parts.

How much does a speedway bike weigh?

As speedway bikes do not use brakes, the clutch is used as a release mechanism at the start of races. FIM regulations state that the motorcycles must have no brakes, are fueled by pure methanol, use only one gear and weigh a minimum of 77 kilograms (170 lb).

How do you stop a speedway bike?

To stop the bike, you shut the throttle and the engine does the braking. But if you need to stop the bike in a hurry, say if a rider falls off in front of you, you have to do a controlled crash – you go into an overslide and slide off the bike.

Does cycle speedway still exist?

Modern administration. Today the sport is managed and administered by British Cycling, the governing body for all cycle sport in the UK except individual and team time trials. A management committee, the Cycle Speedway Commission, advises on racing rules and competitions.

What does Rs stand for in Speedway?

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