Increase the acceleration force in the long pulley boss

CVT driving system
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Acceleration of the start becomes high output by expanding the operation reach of the pulley.

For that purpose, let’s extend pulley boss.

CIMG9005 CIMG9006

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When this is performed, V-belt on the clutch side sometimes sticks out.

I have Long pulley boss, but even if a person who doesn’t possess it includes Flat-boss washer of the 0.8mm degree, it’s OK.

If V-belt overflows, let’s shave a case and cope with it.

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cutting metal the scooter drive system case
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Pulley face metal cutting processing to Increasing the spline area

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When you add custom of long pulley boss and boss washer, The spline range of the crankshaft That will drastically decrea...

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