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Post by spooks73 on Sept 15, 2015 12:24:05 GMT
Hi there people, well I'm new to this site as I only passed my test 2 weeks ago and purchased a 1992 yamaha diversion xj600. Now recently I've noticed a knock...knock...knock sound coming from the bike while it's moving. At first I thought it was something in one of the tires but there's nothing there. Anyhow today I've had the bike on its centre stand and was looking around it to see if I can find the source of the noise and from what I can hear it seems to be coming from the rear wheel axel. Now I've tried to shake the rear wheel to see if it's the bearings but it doesn't move. So I'm lost now and was wondering if anyone on here might know what the problem is.
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Post by ContourMac on Sept 15, 2015 14:06:28 GMT
Hi there people, well I'm new to this site as I only passed my test 2 weeks ago and purchased a 1992 yamaha diversion xj600. Now recently I've noticed a knock...knock...knock sound coming from the bike while it's moving. At first I thought it was something in one of the tires but there's nothing there. Anyhow today I've had the bike on its centre stand and was looking around it to see if I can find the source of the noise and from what I can hear it seems to be coming from the rear wheel axel. Now I've tried to shake the rear wheel to see if it's the bearings but it doesn't move. So I'm lost now and was wondering if anyone on here might know what the problem is. Is your chain too tight or have any seized links? |
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Post by bobh on Sept 15, 2015 14:41:23 GMT
I had a similar knock on my MT-03, which turned out to be a wheel bearing cracking up. It wasn't detectable by rocking the wheel - it was only after I took the wheel off and tried to rotate the inner race of the bearing that you could tell it was not turning smoothly.
In that case it was the drive side bearing in the wheel, caused by the tubular spacer between the bearing being too short and allowing the bearing to be overloaded when the wheel nut was tightened.
It could also be the bearing in the sprocket carrier, which will not show up when you try to rock the wheel.
At least wheel bearings are cheap enough (so long as you don't buy genuine Yamaha parts - but do find a respected make, such as YSK) and not difficult to fit.
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Post by spooks73 on Sept 15, 2015 16:18:59 GMT
I had a similar knock on my MT-03, which turned out to be a wheel bearing cracking up. It wasn't detectable by rocking the wheel - it was only after I took the wheel off and tried to rotate the inner race of the bearing that you could tell it was not turning smoothly. In that case it was the drive side bearing in the wheel, caused by the tubular spacer between the bearing being too short and allowing the bearing to be overloaded when the wheel nut was tightened. It could also be the bearing in the sprocket carrier, which will not show up when you try to rock the wheel. At least wheel bearings are cheap enough (so long as you don't buy genuine Yamaha parts - but do find a respected make, such as YSK) and not difficult to fit. Thanks for the advice, I've checked the chain and that seems to be fine but I've just ordered some new wheels bearings for the front and back and see how I go from there. |
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