New front sprocket won't fit on bike
I am changing my chain and sprockets for the first time. After breaking the chain and taking off both sprockets I am now stuck trying to put the front sprocket back on.
I ordered the 15 tooth JT front sprocket (JT Sprockets: Catalogue) which looks like it identically matches the old sprocket (I have a 1997 CBR 600F). However when I try to put it on the bike it won't fit. It seems the ridges on the inside of the new sprocket are slightly too wide. I don't want to try to force it on with too much pressure as the old sprocket slides on and off quite easily. The only thing I can think is that either I have a dud sprocket from the factory (highly unlikely) or my bike in fact requires a different model. However when searching JT sprockets, for my bike they say I require the JT 1371 which is exactly the part I have. Currently I am not sure what to do, any ideas? |
It would appear that perhaps your engine is not the original one fitted to the bike when new? Have you checked the engine serial number against the Honda database t see if it is the correct engine for your model of bike?
That would be my guess, right bike, wrong engine. Hope this helps. N. |
So you're right Biker_Neil. After checking the engine number it is from a previous year (1994), whereas the VIN and date of first registration are 1997.
Surprised me a bit, but all numbers match with V5C. In future all engine parts I will need to get for the previous model then. |
Actually in fact I am now not so sure. I think I was looking at VIN number dates when dating the engine number.
The VIN I am fairly sure is 1997 (I used this site), the engine I am now not sure. Going by this post (https://cbrforum.com/forum/cbr-600f3...numbers-81488/) and assuming chronological order then it would seem to date my engine around 1997 also. Do you have a link for a better reference for identifying the engine model? FTR VIN: JH2PC31... Engine: PC25E26... |
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Q/A Sprocket and Chain kit .
Originally Posted by CaBaRet
(Post 1308514)
Here
When I had purchased a Quick Acceleration kit ( Sprockets and chain ) ,,, the front sprocket slid / fit fine . 1996 F3 . Hope you figure yours out . |
Thanks, so going by this,
Originally Posted by CaBaRet
(Post 1308514)
Here
I suppose best thing to do is contact JT Sprockets. Interestingly there is a different part for 1991 to 1996 (JT Sprockets: Catalogue), although comparing with the part I have for 1997 to 1998 (JT Sprockets: Catalogue) it looks as though the dimensions of the front sprocket on both are exactly the same. |
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So that's the exact JT Sprockets part I have that doesn't fit. I'll wait for a response from them otherwise I'll order the genuine Honda part and hopefully that will fit.
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Might of been an Admin problem and they sent you the wrong ones
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