All the work you do in the workshop. Maintenance, repair, troubleshooting, customizing, etc.
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- New to XJR
- Posts: 5
- Joined: Wed Apr 19, 2017 9:37 am
- Region or State: Illinois
- Motorcycles Owned Currently: 93 xj600
Hey all, recently fixed the clutch rattle. Put everything back together and I still have what sounds like the same rattle. Took it back apart and confirmed that the pin was tight and the gear wasn't loose. Put everything back together along with new clutch disks and torqued everything according to my clymer manual. Rattle still there. Any idea of what it could be? Rattle will go away for the most part with the clutch handle in. Thank you
- Site Founder
- Posts: 8342
- Joined: Mon Nov 07, 2011 12:42 pm
- Region or State: Rocky Mountains
- Motorcycles Owned Currently: '92 XJR600, '92 Seca II
- Location: Denver, CO
You commonly hear that the noise is caused by clutch rattle but that's not entirely accurate. There are four causes of that noise heard at idle and oil pump drive gear noise is at the bottom:
- Carb synchronization - this has to be spot on or it makes noise as the pistons/crankshaft have force applied differently.
- Carburetor pilot screws mis-adjusted - this causes each cylinder to fire differently and results in noise at idle, similarly to carb synchronization.
- Gearbox wear - as the shift forks and the gear teeth wear, the tolerances increase. This allows the shift forks, synchronizers and gears to move around as the engine idles (albeit a small bit) resulting in noise.
- Oil pump drive gear - you already went after that.
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