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Bikes, Hints'n'Tips => FZS600 Fazer => Topic started by: shieldr on 20 February 2018, 07:55:20 pm

Title: Knocking through footrests when coming off the throttle
Post by: shieldr on 20 February 2018, 07:55:20 pm

Hi All

As of yesterday my fantastic fazer has a knocking sensation coming through the footrests. This is not apparent so much when accelerating but occurs when coming off the throttle to slow down.

My guess is chain link sticking a bit but couldn’t see too much in the gloom tonight.

Any tips appreciated

Title: Re: Knocking through footrests when coming off the throttle
Post by: bandit on 20 February 2018, 09:16:53 pm

I think your on the right track, seized links or worn out chain/sprockets , chain to slack adjust if poss.   


Also might be worth checking the front sprocket nut is tight if above doesn't sort your problem.

Title: Re: Knocking through footrests when coming off the throttle
Post by: shieldr on 20 February 2018, 10:25:58 pm

Thanks. To be honest I think it is time for a chain and sprocket change. 30k miles and I’ve had her since 18k. Any brand recommendations? There is a vast range on fleabay. Ta.

Title: Re: Knocking through footrests when coming off the throttle
Post by: celticbiker on 20 February 2018, 11:16:29 pm

Front sprocket worn out for sure.
I always buy separates as you can get them cheaper than sets and would highly recommend DID xvm chain and renthal sprockets.
Best bet for the chain is search eBay for the size and number of links.  I can get one for a BMW 20 quid cheaper than one for the Fazer but it's the same chain just sold for different bikes.

Title: Re: Knocking through footrests when coming off the throttle
Post by: Ruby Racing on 21 February 2018, 12:55:20 am

Also have a check of your cush drive.

Title: Re: Knocking through footrests when coming off the throttle
Post by: shieldr on 21 February 2018, 08:17:33 pm

Great tips folks thanks

Title: Re: Knocking through footrests when coming off the throttle
Post by: shieldr on 21 February 2018, 08:17:59 pm

Great tips folks thanks

Title: Re: Knocking through footrests when coming off the throttle
Post by: BBROWN1664 on 22 February 2018, 09:04:05 am

Could be just a slack chain

Title: Re: Knocking through footrests when coming off the throttle
Post by: Jules-C on 22 February 2018, 10:46:59 am

Quote from: BBROWN1664 on 22 February 2018, 09:04:05 am

Could be just a slack chain

Or a tight chain

Title: Re: Knocking through footrests when coming off the throttle
Post by: celticdog on 22 February 2018, 01:04:16 pm

Quote from: shieldr on 20 February 2018, 10:25:58 pm

Thanks. To be honest I think it is time for a chain and sprocket change. 30k miles and I’ve had her since 18k. Any brand recommendations? There is a vast range on fleabay. Ta.

DID x ring every time for me, a tried and tested classic.

Title: Re: Knocking through footrests when coming off the throttle
Post by: darrsi on 22 February 2018, 01:22:56 pm

Put the bike on the centre stand and have a look at each chain link. When they stick or rust they tend to position at an angle rather than horizontally so fairly easy to spot.
Once they sieze up there’s little chance of it being good again, even with a bit of manipulation and cleaning/lubing.
The knocking on the footpeg tells me you will find some links at an angle, so time for a new chain & sprocket kit.


D.I.D. X Ring is what i stick to as well, as long as you keep them lubed, with the occasional clean they’ll last a long time. Saying that, if you neglect any chain then they will fail on you sooner rather than later even from new.


No need to buy the ‘extra’ heavy duty version though.

Title: Re: Knocking through footrests when coming off the throttle
Post by: shieldr on 22 February 2018, 08:26:42 pm

Thanks Darrsi. Will take your advice. The current stuff owes me nothing so hey ho...

Title: Re: Knocking through footrests when coming off the throttle
Post by: nedwood on 25 February 2018, 01:31:39 pm

Had very similar probs with my 600.New chain solved the knocking.

Title: Re: Knocking through footrests when coming off the throttle
Post by: shieldr on 01 March 2018, 11:21:57 pm

Thanks nedwood. Have all the gear in now so just need to build up some enthusiasm 🙂