SOHC.co.uk Forums > CB500/550

Tacho drive seal

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Tomb:
Hi folks

I'm after info on the tacho drive seal on 500/4's, I've done a search and all I could find was mention of the 750 seal.

What I'd like to know is ....are these seals as unobtanium as the Honda SOHC spares bloke at Stafford Show says they are, I thought if anyone had them he would.

Mine's pissing oil out.

And while I'm asking, I could do with renewing the main gearbox output shaft (final drive shaft) seal and the clutch push rod seal if anyone knows where to get them

I have a clutch and cover from a 550/4 and was thinking of fitting them to my 500/4, is this mod worth doing and what do you do with the hole in the crankcases where the push rod went.

TIA

Tom

toucheturtle:
All the seals are readily available from Dave Silver, just get the part numbers from the cmsnl website. The engine casings need splitting to replace the trans shaft seal, you may have to replace the trans shaft as well as the oil seal wears a groove in the bearing which cannot be bought separately. You have to dig around on the net but you can find them in America for

Bryanj:
You can get a complete engine seal kit from either dave silver or ebay, the man at stafford is talking out of his fundamental orriface UNLESS you were asking about the alloy housing then he was right!

Tomb:
No not the actual tacho drive housing, just the seal is needed.

I've had a look around at the CMSNL and Dave Silver sites and found the seal kits, not sure they include the tacho drive seal but they're

Tomb:
Here (clicky) is the engine oil seal kit Dave Silver lists, it doesn't mention which seals are in the kit only that it contains "all" 9 seals.

I've counted....

1 Kick start
2 Gear change
3 Clutch push rod
4 Clutch actuator (helix)
5 Selector drum
6 Crank Right
7 Crank Left
8 Final drive
9 Tacho drive

Am I missing any?? or am I to assume the Tacho drive is included then?

I'll ring them tomorrow

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