SOHC.co.uk Forums > CB350/400
Cam chain.. CB400f
Nurse Julie:
When I stripped my engine, I undid the 2 x 10 MM bolts and my tensioner did not pop up. I had to fiddle with the adjuster on the front of the engine and the blade then popped up. Mine was seized at the pivot point on the horseshoe. Even though mine was seized, I still had very minimal rattle from the cam chain prior to stripping the engine.
Integra99:
Yes when I undid the bolts my tensioner popped up.. and the rattle is very minimal the bike runs lovely. But this is a fault and needs sorting, however I may only do 1000 miles on this bike over the next 12 months so I'm tempted to put my new chain and run it... my concern is I think the slack chain is at the end of its adjustment and may have worn into the horseshoe stopping movement. therefore the tensioner is at it most tensioned point.. potentially not good for a new chain.! The only way of freeing the horseshoe is to knock the rod down from the blanking point and see if it frees it at all.. otherwise its head off and engine out again.. !
Nurse Julie:
Personally, I would do it now. You will never have total piece of mind if you don't do it now. Do it right....do it once.
Integra99:
My head says that too.. I have a good friend down at the weekend that builds engines for a living so he is taking a look, Frustratingly I had planned to fully rebuild my XS750 engine once the CB400 was on the road..as its needs a top end rebuild... too little money and time ha!
Seabeowner:
Useful little video here showing the gubbings. Apparently says DSS replacement horseshoe has improved bearings alleviating one of the probs.
https://www.youtube.com/watch?v=cnwL7ZYBtSA
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