You asked: Why do my bike gears clunk when shifting?

Clunking when changing gears could be rear gears in need of indexing: This noise will become familiar once you’re used it it – it will only happen when you try to shift, and will be a series of clunks and winges from the chain, which will probably then fail to move into the next gear as requested – in this case, the …

Why do my gears clunk when shifting?

If your transmission mount or engine mount becomes loose or breaks, you may hear clunking noises whenever you make a sudden change in speed or whenever you shift gears, due to the movement of the unsecure mount. … They’ll look at the parts under your car that act to mount your transmission or engine in place.

Why does my bike clunk when I pedal?

CLUNKS. Symptoms: If you hear a clunking sound coming from the front end of your bike, a loose headset could be the problem. To check, grab your front brake lever and rock the bike front to back. … Symptoms: A clunking sound on the bottom of the bike that only occurs when you pedal may be coming from the bottom bracket.

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Why do bikes clunk into first gear?

Our man Redpath at MotoGP Werks says a really big clunk when shifting into first often means a warped steel plate, especially if the bike creeps when you rev it with the clutch in and in gear. At 18,000 miles, if money’s not super-tight, you may as well replace the steels too.

Why do Harleys clunk when shifting?

Harley Davidson motorcycles make a loud clunking noise when shifting into gear because they have dog ring gearboxes instead of a synchromesh ring. The clunking noise that a Harley makes when shifting into gear is normal, but the clunking can be exasperated in cold weather or by a too high idle speed.

Why do I hear a clunk when I start my car?

A car making a clunking noise when starting up usually indicates either a starter failure or broken teeth on your transmission’s flexplate. … Additionally, with this there is likely to be other worn parts of your car that come to attention while the flexplate job is being completed. A bad or failing starter will worsen.

How do you fix a clicking sound on a bike?

A clicking noise often comes from your chain wanting to jump up or down a gear on the rear cassette. This can typically be fixed by adjusting the tension of the cable that runs from your shifter to your rear derailleur.

Which gear is hardest to pedal?

High Gear = Hard = Good for Descending: The “highest” gear on your bike is the largest chain ring in the front and the smallest cog on your cassette (rear gears). In this position, the pedaling will be the hardest and you’ll be able to accelerate while traveling downhill.

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How do I stop my bike gears from slipping?

To fix a skip in the rear derailleur, shift your chain into the smallest ring on your rear cassette (the hardest gear) and the middle or larger ring on your front derailleur. Press your shifter once. If the chain doesn’t move up a gear, you need to add tension.

Why is my bike not shifting properly?

Cable tension and limit setting

The most obvious and common causes for poor shifting are down to poor adjustment and the most common thing to go out of adjustment is cable tension. Indexed drivetrains rely on correct cable tension so that the shifters pull the derailleur to the intended spot.

How do I know if my motorcycle transmission is bad?

Friction caused by wear, damage or corrosion can cause problems shifting, such as hard shifts, an inability to locate the neutral detent and in the worst cases, failure to shift at all. A bad shift mechanism will manifest itself with these symptoms. You will feel them through your shift lever.

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