SOHC.co.uk Forums > CB350/400

Cam chain tensioner bolt

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AndyD:
Bryan,
The ebay number is
283730100697

Hopefully you can see it from there?

Cheers,
Andy

Bryanj:
Looks a good kit from pictures but two comments
1 You will need to be very accurate with set up and drilling for oversize tap, hand drill NOT recommended.

2 That tap may be a special order and not cheap, there are 3 different pitches for 10mm threads and i think(but willing to be proved wrong) that that one is the "non preffered" one

Oggie400F:
The external thread of the ‘repair’ insert is M10x1.25 is Metric Fine I.
M10 fine pitch can be 1.25 (I) or 1.00 (II) or 0.75 (III)

See the attached Metric Thread Chart

There are also an ultra fine pitches of 0.5 not shown on this chart

Bryanj:
Thats what i said, there are 3 different pitches on 10mm and only 2 of them are "common" the other is called "non preffered" which means a lot of countries dont use it except Japan, they also used non preffered hex sizes for bolts like 12mm hex on 8mm thread

AndyD:
Thanks,
Maybe I'll try contacting the seller to see what the thread pitch is.
I've got a pillar drill so can hopefully set the case up firmly in the right position for this.

Are there other recommended repair routes for this if the ebay one doesn't work out?

Cheers,
Andy

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