
1978 Yamaha DT175E
1978 Yamaha DT175E Page
Welcome to the 1978 Yamaha DT175E Forum. The factory Yamaha colors were called "Balboa Blue" and "Sunshine Red". The USA Vin Range was 2A7-000101 to 032070. Feel free to post anything related to this model in the category. Anything new, will be added to this section.


1978 Yamaha DT175E
The 1978 Yamaha DT175E Owner's Manual is located: CLICK HERE
The International 1978 Yamaha DT175E Owner's Manual is located: CLICK HERE
Shift Mechanism
Hello. So, I purchased a torn down 78 DT175 and rebuilt it top end to transmission. It had needed a new shift shaft which I replaced, and put it all back together and got it running! I was so proud it was going finally after all that effort. However, it wasn't shifting properly, and I am hoping someone has knowledge on this specific issue.
So in order to shift it you have to kind of jimmy it; for example on the shift up, the shifter would stay up and I'd have to tap it back down before I could shift it up again to the next gear, and visa versa shifting down. So, I currently have it all back apart to assess the issue.
Upon inspecting all the springs and mechanisms per the repair manual, I don't really see any issues; all the springs look good and are properly connected.…


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Update; So, I received a new clutch bolt. And today I commenced to reassembly! I was hand tightening the clutch bolts into the clutch boss in a cross pattern, and another bolt sheared off again!! Thankfully, I did order more than one new bolt jic but seriously, ugh. Now, I need to take it all back apart and take the sheared bolt out (which btw has serviceable locktite on it) out. I don't think I will get to it today. I'm done for the time.