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Post by re5man on Jun 15, 2010 15:43:03 GMT -5
Hi,can Jess or anyone else tell me if there was a specific reason for Suzuki placing the primary chain tensioner on the top run of the primary chain[under driving pressure from the primary drive sprocket]rather than on the bottom run,where all of my British bikes have theirs.Perhaps my chain is worn but when I turn the primary drive sprocket with a spanner in the forward direction[clockwise] it takes up the slight slack in the top run which causes the tensioner to lift slighty and causes some slack in the bottom run,which I think is giving my bike a clutch/chain type rattle/knock on tick over.There seems to be enough room under the bottom run of the chain to have installed the tensioner there so when the bike is running the top run would stay taut and not be deflected by the tensioner while at the same time having the primary sprocket trying to keep it taut and straight.I know the system works ok as it is ,just seems strange to me to have a tensioner on the run of the chain which is under direct running pressure/tension from the motor.Cheers,Shaun.Maybe a new chain wouldn;t slacken so much and I try to keep the tickover around 1200 revs and not go too low which amplifies the noise.
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Post by steveuk on Jun 15, 2010 16:00:51 GMT -5
turning the engine clockwise would give some slack as this is going against the running direction of the engine it runs anti clockwise when viewed ftom the right hand side
steve
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Post by re5man on Jun 15, 2010 16:04:22 GMT -5
Doesn't the points cam run anti-clockwise but the motor is clockwise Steve? Shaun.
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Post by steveuk on Jun 15, 2010 16:14:00 GMT -5
I think it runs anti clockwise when viewed from the right side and clockwise when viewed from the left, the way i see it is that it picks fuel up from the inlel manifold over the top to the spark plug then down for the exhaust going the other way would take fuel to the exhaust first
steve
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Post by re5man on Jun 15, 2010 16:30:21 GMT -5
I take the left-side to be the carb side which has the generator cover.Under the rubber bung you turn the eccentric shaft anti-clockwise to check/adjust timing.The left-side turns anti-clockwise and the right -side [water pump cover] clockwise.I'm nearly confused!Shaun.Your last post seems to sound right.
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Post by steveuk on Jun 15, 2010 16:39:29 GMT -5
lool at Lee's avatar it is turning clockwise when viewed from the left (generator side)
steve
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Post by re5man on Jun 15, 2010 17:06:51 GMT -5
Ok Steve,looked at Lee's and also on youtube.Your right it's turning clockwise on the left-hand side.Can't get my head around the right-hand side turning anti-clockwise .Does that mean I've been looking at the primary chain the wrong way round! Shaun.
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Post by re5man on Jun 16, 2010 13:31:43 GMT -5
Ok Steve,after my 5 minutes of madness I see that you are correct and the motor runs in the opposite direction to what I thought.I couldn't understand how the clutch could run anti-clockwise yet still drive the bike forward.Therefore I think the tensioner which I thought was on the driven run of the chain is in fact not as the primary drive sprocket is pulling on the bottom run of the chain in an anti-clockwise direction.The clutch /chainwheel via the gearbox converts the anti-clockwise direction to forward motion.Please correct me if I'm wrong.Checked my points today and as you say they turn clockwise.Thanks,Shaun. Got my clutch cover on again now,would have liked to turn the motor in the RIGHT direction using a spanner to check the chain tension and tensioner.
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Post by steveuk on Jun 16, 2010 13:53:01 GMT -5
Hi Shaun, i think you have got it, i think most re5's have a slight rattle/rumble from the clutch on tick over
steve
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