bigspider Posted April 13, 2008 Report Share Posted April 13, 2008 My friends ty250 "74" will not shift from 5th when hot...? I am working on the bike with out a manual. If anyone has a manual and can shoot me some spec's on the clutch it would help alot! The bike shifts good when cold. Thank you Quote Link to comment Share on other sites More sharing options...
jon v8 Posted April 13, 2008 Report Share Posted April 13, 2008 Thanks for the PM - thought I'd answer here so it might be of use to others.Do all other gears shift OK when hot,inc finding neutral ? If it does then its not clutch related,sounds more like a selector drum/fork issue.I dont have a manual for 250's,all I have is the Haynes one for 80-175's.What might be a help is to look at www.cmsnl.com and follow the index through,they have a parts fiche which you can look through - it shows the whole bike with part numbers etc. It does seem odd that its only when hot if it is a selector fault as the box doesnt get that hot.What oil do you have in it ? When I first rebuilt mine I used some synthetic 10w/30 car oil that worked really well,but 2 trials ago I drained it and refilled with ATF.Now the clutch action is not so good so they obviously prefer certain oils. Quote Link to comment Share on other sites More sharing options...
bigspider Posted April 14, 2008 Author Report Share Posted April 14, 2008 I have to say... I have never ridden this bike, as I am working on it for a friend. I am putting it back together tonight and am going to take it out for a ride in the AM so I can have first hand knowledge of the issue... As to what I know the bike shifts good except for down from 5th when hot...? I think your right on that the issue is in the shift drum family. When I find what the issue is I will post it for all, however in the meantime any clue helps! Quote Link to comment Share on other sites More sharing options...
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