Gearbox help please!

[Doovy]

I was riding as usual this morning, changed up from first to second and all of a sudden it felt like i had gone into neutral, but the gearbox was making some loud smashing sound and wouldnt go down/up gears..

felt like it exploded basically.

havent had it checked out yet but im guessing it needs a new gearbox, i have a honda cd250 1993 model and parts for it are quite hard to get hold of as a whole bike breaking...

would this gearbox from a cb 250 fit?

https://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&ssPageName=STRK:MEWAX:IT&item=320312563222

any help let me know please!

thanks very much

Dave
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Yamaha RXS 100 > Honda CD 250 > Honda Hornet 600 > Honda CBR 600RR > Yamaha RXS 100 > Kawasaki ZX6R J2 > Yamaha FZ1

[sickpup]

No that won't fit it's a superdream engine.

This is what you need although you will have to change the carb manifold.

[Doovy]

thank you very much for the reply!

but.. erm.. turns out it wasnt the gearbox..


cough the chain had come off cough
____________________
Yamaha RXS 100 > Honda CD 250 > Honda Hornet 600 > Honda CBR 600RR > Yamaha RXS 100 > Kawasaki ZX6R J2 > Yamaha FZ1

[sickpup]

In which case you need to check your rear wheel is in one piece.

Usual reason for the chain coming off of these is that the built up bit for the circlip holding the rear sprocket on has snapped off of the rear hub.

[Doovy]

no its all ok there, the chain had become very slack, and when going over a steep hill and over the crest at the top at a bit of speed while changing gear made the chain jump off.

i didnt realise how bad the slack was, its all tightened now!



thanks again
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Yamaha RXS 100 > Honda CD 250 > Honda Hornet 600 > Honda CBR 600RR > Yamaha RXS 100 > Kawasaki ZX6R J2 > Yamaha FZ1