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Jumping out in 2nd gear
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roadrunner
- honda305.com Member
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- Joined: Sun Sep 06, 2015 11:00 am
- Location: bullhead city Az.
Jumping out in 2nd gear
I have a 1965 Dream 305 just got it running took it for a run and when i shift from 1st to 2nd it jumps.have any of you ran into this and whats the cause.help please mike
When the engagement dogs get worn, the transmission can 'jump' out of gear. If it doesn't do it too badly, just shift easily at lower rpm and live with it. (Mine does it from time to time, and has been doing so for many years-- I don't worry about it.)
If it's too bad to live with, strip the engine and replace the worn gear/gears.
Typical cause: speed shifting between first and second, up/downshifting without using the clutch, or.... just being a mechanically insensitive clod.
If you do think you need to strip the engine to fix the problem, before doing so pull off the left side cover and carefully inspect the shift drum pins and the selector mechanism for unusual wear, bending, etc.
Others here will almost certainly have more good advice.
If it's too bad to live with, strip the engine and replace the worn gear/gears.
Typical cause: speed shifting between first and second, up/downshifting without using the clutch, or.... just being a mechanically insensitive clod.
If you do think you need to strip the engine to fix the problem, before doing so pull off the left side cover and carefully inspect the shift drum pins and the selector mechanism for unusual wear, bending, etc.
Others here will almost certainly have more good advice.
Do what you've always done and you'll get what you've always had.
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roadrunner
- honda305.com Member
- Posts: 132
- Joined: Sun Sep 06, 2015 11:00 am
- Location: bullhead city Az.
A bent shift fork is another possibility, so if you do take it apart, take a close look at the shift forks too.
Also, if you do take it apart and you don't want to mess with the top end I think you can just flip the motor over and pull off only the bottom case, fix the tranny and button it all back up. That way you don't need to buy gasket sets and all sorts of other expensive stuff.
It's always a gamble with these old bikes, some were parked in mechanically excellent condition, while others got parked for a reason....
Also, if you do take it apart and you don't want to mess with the top end I think you can just flip the motor over and pull off only the bottom case, fix the tranny and button it all back up. That way you don't need to buy gasket sets and all sorts of other expensive stuff.
It's always a gamble with these old bikes, some were parked in mechanically excellent condition, while others got parked for a reason....
Do what you've always done and you'll get what you've always had.
a few other things can contribute. Wear on the shift drum point and/or rollers and wear on the contact points of the shift forks. Mine the forks were worn and the gear damaged from the contact points (as well as the dogs being bad which probably started the whole thing.) Most likely the sooner the problem is corrected the less damage will have been done. When repairing I installed an offset cotter and got more gear engagement on 2nd.
63 CA78
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roadrunner
- honda305.com Member
- Posts: 132
- Joined: Sun Sep 06, 2015 11:00 am
- Location: bullhead city Az.