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Hello there looking to drop a tooth on front sprocket to help my current lowend power issue ie no exup valve. was just wondering what the top speed in 1st is with a 14t sprocket curently getting 85mph I think it's all stock anyone got experiance with this ? Cheers
 

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Hello there looking to drop a tooth on front sprocket to help my current lowend power issue ie no exup valve. was just wondering what the top speed in 1st is with a 14t sprocket curently getting 85mph I think it's all stock anyone got experiance with this ? Cheers
It's simple maths.
16/42 = 2.625:1
15/42 = 2.800:1 - about 7% lower so 79mph.
14/42 or 15/45 = 3.000:1 - about 14% lower so 73mph.
 
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