Checking chain and sprockets for wear (Aprilia RS125/3)
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- RS 125 [3]
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- Checking chain and sprockets f…
Visually inspect chain, front and rear sprockets looking for:
Check the chain tensioner roller (1) for wear.
Lastly, check the slider that protects the swinging arm for wear.
- Damaged chain rollers.
- Loose chain link pins.
- Dry, rusty, warped or seized links.
- Exceeding wear.
- Missing O-rings.
- Exceedingly worn or damaged sprocket teeth.
Warning!
- If chain rollers are damaged, chain link pins are loose, renew the drive chain and the front and rear sprockets as a set.
- The chain should be lubricated frequently, especially after finding any dry or rusty components.
- Lubricate and repair any warped or seized chain links.
Check the chain tensioner roller (1) for wear.
Lastly, check the slider that protects the swinging arm for wear.

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This article has been reviewed: Artemy Kuzmin
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- Information for owner
- Introduction to manual
- Maintenance
- Troubleshooting
- Engine and systems
- Engine repair
- Fuel system
- Cooling and lube system
- Running gear and frame
- Frame and hinged elements
- Front suspension and handlebar
- Rear suspension
- Brake system
- Wheels and tires
- Electric equipment
- Equipment and devices
- Starting and charging system
