clutch questions

[gilthbrac]

last year i put a new yamaha belt on my grizzly, installed a purple secondary spring and a 1.45mm shim and slugged the wet clutch
i recently received my new JBS sheave and pulled everything apart to clean old parts and install the new ones. in my inspection of everything i had a few questions.]

my biggest concern came from the belt/cover. it appears to have rubbed the cover on the back side around the secondary. are those deep marks suppose to be wear indicators?

and took a couple tiny chunks out of the corner of the belt


i measured the belt at the widest point and it measured 32.2mm... well above the limit suggested by yamaha of 30mm. i measured it like this



at what point do you reduce the shim to keep the belt from rubbing the cover?
is the belt junk because of the little chunk or two missing from it?
did i measure the belt in the correct spot? (if i measure between the "fins" its almost a MM narrower)


Thanks for any help!!!

[rodneygt]

I think I can speak to one of the questions. The pins pictured in your secondary pic - those take a small amount of poly urea grease. Is that what you're seeing.

[gilthbrac]

There is some grease and dust caked on the backside of the sheave. But when I pulled the cup (that slides over and seals the pins/grease) the grease didn't appear to be leaking between the cup and sheave so I'm thinking it may have been excess left over from last year when I regreased it. And it just flung off. Last night I did order all new seals just to be on the safe side

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[gilthbrac]

I was also looking closely at my new sheave and the casting from Yamaha looks wicked rough! Mine looks nice and smooth/clean and the new one not so much. Is this normal? Will all those touch spots smooth out with use?

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[scottwv]

You're fine

[gilthbrac]

Thanks

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[gilthbrac]

So I finished my installation tonight and had a chance to take it for a quick spin around my small dooryard... WOW!!! This sheave is amazing! Well done James!! I can't wait to get out this weekend and really rip on it!

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[WV Hot Rod Rhino]

Thanks..let me know if you need any thing

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