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 decrease, More attachment of a spline nut becomes difficult.

So because some splines appear, it is all right …thread galling the spline equips forcibly,Pulley face attachment sometimes becomes difficult.

Such a situation is the worst, become a replacement of the crank shaft.

You can not respond if a beginner.

Let’s easy to deal with before it becomes so, It metal cutting the pulley face with an electric drill.

long pulley boss is here
https://cvtmotorcycle.com/en/long-pulley-boss/

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metal cutting about 1mm

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A spline nut can cut into a spline when I metal cutting it like the image mentioned above.

Is, for example, if additional boss washer is 1.5mm,

I think so feeling such as metal cutting 1.5 mm.

Pulley face the best processing of normal type

I recommend the processing of normal pulley, Because normal is high durability.

The kind of the pulley a high speed pulley and a finless pulley…There are many kinds and product makers.

And, there is each different material and V-belt ground plane and angle

Therefore there is also a pulley with the weak material.

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