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CB400F Engine rebuild
taysidedragon:
There is quite a lot of play on my Countershaft bottom gear and a small amount on Mainshaft top gear.
Is this normal or do they need replacing/rebushing?
taysidedragon:
--- Quote from: taysidedragon on October 27, 2020, 03:17:01 PM ---There is quite a lot of play on my Countershaft bottom gear and a small amount on Mainshaft top gear.
Is this normal or do they need replacing/rebushing?
--- End quote ---
Can anybody give me some advice on this? New gears are available from CMSNL but over £200 each! Any idea how much it's likely to cost to get the bottom gear rebushed?
Laverda Dave:
I can't really offer any advice other than I thought it was common on most Jap bikes of that era to have a lot of backlash, I certainly remember it was mentioned a lot it road tests at the time.
cliff7:
On the notes I got with my 400, the previous owner but one mentions fitting a new bush to first gear. Unfortunately there is no receipt for this and I can't get hold of him. So not much help except it can be done.
taysidedragon:
Ok. Thanks for the replies. Ive checked several gearboxes and first gear is the same on all of them
so I wanted to check if that was excess wear or not. The bushes don't look very worn so it may be ok.
I don't suppose anybody has the bore size of a new gear do they?
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