SOHC.co.uk Forums > CB350/400
Cam tensioner fitted wrongly?
Drew400:
Finally sorted it...
Had to split the crankcase to fit a gearbox part I'd forgotten, doh! (only the starter gear locking bolt & tab washer, so nothing important!!!!). Had to remove the barrels, thus I could be absolutely certain that the cam tensioner blade was correctly seated before eventually clamping it down (under spiring pressure from the blade) when the head finally went back on the rebuilt engine.
By the way, the manual says it's possible to work on the bottom end without removing the top end. Not sure how I would have got a torque wrench on the two crankcase bolts sited at the front of the engine below the barrels. The overhanging cooling fins would stop direct access hence decision to dismantle the whole bloody thing again.
Cheers all and thank you for your contributions... again, as Trig said, it's all learning.
D.
Drew400:
True Oddjob...
I can only think that it wasn't seated properly in the shoe. When pushed down from the top of the cylinders, it appeared to engage and peering down with a torch (no endoscope available... nurse Julie?) I couldn't be sure. With the barrels off and the blade seated properly, it projects forward by c.30 degrees from the vertical. This leads me to think that, with the chain in place, I couldn't push it down at the correct angle to engage properly.
I was very reassured when reading the dismantling instructions that confirmed the cap is untightened under pressure from the blade's bending.
All I need to do now is see how this baby runs, although there's a big IF in front of that sentence!
Cheers, D.
Nurse Julie:
Me and my Endoscopes have been in some very dark, tight places over the years but I have never thought about inspecting the internals of an engine with it !!! What an excellent idea. The other day when I wanted to get the swing arm bushes out after I had cut them with the hacksaw blade, I used an instrument called an Osteotome, used regularly in Orthopaedic surgery, fitted perfectly down the side of the bush to help remove it. All basic woodwork instruments really but perfect on bikes too. (These were old knackered osteotomes I hasten to add, didn't take them from the kit in the Operating theatre ;) ;)
SteveD CB500K0:
Had to Google that...
Looks like a chisel!
Trigger:
Looks like something that my dentist would use.
Says its a bone chisel Steve.
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