MICHAEL'S BIKE
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Here are a number of pictures of Michael's 2006 season racebike along with the machines technical details. If you scroll down, We've included some interesting pictures of last season's engine rebuid for you "techies" out there. Further information on speedway bikes in general is also included on this page. |
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| Engine Manufacturer: |
GM (Italy) |
| Engine Model: |
SRAF 97 |
| Cylinders: |
1 |
| Cubic Capacity: |
499cc |
| Bore and Stroke: |
86mm x 86mm |
| Configuration: |
SOHC 4Valve |
| Fuel: |
Methanol |
| Compression Ratio: |
14.5:1 |
| Max RPM: |
10,500 |
| Horsepower: |
75-80 BHP |
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Link to GM Website |
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| Frame Manufacturer: |
Jawa (Czech Republic) |
| Front Suspension: |
Leading link |
| Rear Suspension: |
None |
| Transmission (gears): |
None |
| Brakes: |
None |
| Front Wheel: |
23" |
| Rear Wheel: |
19" |
| Clutch: |
4 Plate Dry |
| Weight Incl Motor: |
180 lbs |
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Link to Jawa Website |
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| This motor in my bike was owned and raced by former 1996 World Speedway Champion, American Billy Hamill. |
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| It was tuned for Billy by one of the worlds finest speedway motor tuners, Canadian Carl Blomfeldt. |
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| Ultimately, it's quick. Very quick! |
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| HOW SLIM IS SLIM? All speedway bikes are basically the same. The rules restrict the cubic capacity to 500cc with a carb no larger than a 34mm bore. We use very high compression motors which run on methanol, an alcohol fuel. This enables a motor which will have the necessary torque to get it off the start line and the very high revs required to propel the machine to high speeds, all with no gears. Simply drop the clutch and go! We change the gearing of the bike to suit different track sizes and conditions by changing the sizes of both the engine and rear wheel sprockets. Oh, and one more thing, speedway bikes have NO BRAKES! |
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| For more bike pics, click on the thumbnails below. Click "back" on your browser to return to this page. |
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