SOHC.co.uk Forums > CB350/400
cam chain adjuster
Nurse Julie:
--- Quote from: Gareth taysidedragon on January 02, 2020, 01:07:17 AM ---When the tensioner has adjusted itself you have to tighten the bolt then tighten the locknut or the tensioner will keep moving.
--- End quote ---
Ah yes, thanks for pulling me up on that. What I was trying to say is don't wind the bolt in, thinking that the further you you go, the more tension you are applying to the cam chain. Yes, needs to be re tightened to lock it off.
cliff7:
Further to my initial enquiry, I am aware of how the system is supposed to work and the fact that you can't actually remove the horseshoe without stripping the engine, what I was trying to find out was whether there is any way I can see/feel if the slack has been taken up after adjustment or if the horseshoe is seized. Rocker cover off?
P.S. I am an ex (car) mechanic, 40 years, so I know the basics but realise I have much to learn when it comes to this type of engine.
Nurse Julie:
--- Quote from: cliff7 on January 02, 2020, 01:22:54 PM ---Further to my initial enquiry, I am aware of how the system is supposed to work and the fact that you can't actually remove the horseshoe without stripping the engine, what I was trying to find out was whether there is any way I can see/feel if the slack has been taken up after adjustment or if the horseshoe is seized. Rocker cover off?
P.S. I am an ex (car) mechanic, 40 years, so I know the basics but realise I have much to learn when it comes to this type of engine.
--- End quote ---
2 ways... run the engine and have a listen or as you suggest, take rocker cover off and try and lift chain off of the cam sprocket, it should be nice and tight. Unfortunately you won't know for sure even with these two procedures if all is ok, the horseshoe pivot could still be seized and / or, the chain is beyond spec and needs changing along with freeing of the pivot and fitting new guides etc. If it were my bike, at this stage, I would just do the basics and ride the bike and take it from there.
How many miles has the engine done and as far as you are aware, has it been well maintained?.
cliff7:
Thanks again for info. Not sure of engine history. Last owner hardly rode it but previous owner did lots of work on bike including engine strip. (Don't know why). I will try and contact him. Also I know a guy who was a Honda mechanic in the 70's who might help me. Mileage on clock is about 28k. Cheers.
Athame57:
Do you have to split the crankcase to change the guides?
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