HT dimensions please!

G-Superior

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6:03 PM
Joined
Mar 2, 2010
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Location
north yorkshire England
HI everyone :D
im building a prototype engine for a ??hp* 50cc racer(MOTORIZED BIKE) and as a guideline a 80cc HT would be perfect(i dont want to make it to BIG!)
NUMBERS
1 is the distance between where the downbar fits and the sprocket
2 is how wide it is from one side do the other
3 is just showing where the downtube fits

*HOW MUCH HORSE POWER WOULD YOU GO FOR? (5, 10, 15 ???) :D
THANKS!!! :D
 
here is the fast little drawing
 

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