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1G Stuck in gear? shift fork?

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i’ll check the end play on things while i’m there, might even just replace bearings/races if it not within spec, just worried about finding the proper shims otherwise i’ve seen you can make your own
It’s fairly easy to cut them out of sheets of shim stock.

With the age of these transmissions and they way they get used I’d plan on replacing bearings for wear. If you wait for one to come apart it’s a total loss of all hard parts.
 
In your post 20 video, there appears to be some play between the 3/4 shift fork and the sync sleeve when shifting, especially in the middle of the fork. Check the fork to see if it's worn narrower there. The attached pic is from my 99 (which had 4th gear popouts due to the skateboard bearing mod) but the 1g is probably the same dimensions.

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I will punch out the fork when i’m back at the shop monday and provide pictures and measurements with dial caliper
 
It’s fairly easy to cut them out of sheets of shim stock.

With the age of these transmissions and they way they get used I’d plan on replacing bearings for wear. If you wait for one to come apart it’s a total loss of all hard parts.
i am probably going to have to drive over to kurt from whitespeed for a proper rebuild if deemed a rebuildable core
 
here’s some pictures of 3/4th fork seems to be 93-99

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