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26-09-2020, 04:37 PM | #1 |
Registered User
Join Date: Jan 2017
Location: Colchester
Bike: S4r
Posts: 96
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S4R rear sprocket removal
I am struggling to remove the pentagram shaped flange that holds the crush drives to the rear sprocket. it appears to be seized to the axle. Am I missing a circlip or key that holds this on?
I have a feeling that this may well be the first time that this will have been removed in 13 years, so there is a good chance that it might be very corroded. so far I've tried WD40, gentle heat & not so gentle big hammer. I don't want to damage the flange, the sprocket itself moves on the axle ok, its just the flange that's the problem. Also can anyone tell me what length chain I should have, the manual I have is for an S4R with the tetastressa engine, with says 103 + 1, but I've also seen 105 but I can't remember where. Dave |
26-09-2020, 05:01 PM | #2 |
Transmaniacon MOC
Join Date: Sep 2013
Location: Sutton In Ashfield
Bike: Multiple Monsters
Posts: 6,084
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__________________
Roast Beef Monster! Termignoni and Bucci - Italian for pipe and slippers! S4 Fogarty, S4R 07T, 748, Series 1 Mirage |
26-09-2020, 09:07 PM | #3 |
Registered User
Join Date: Dec 2010
Location: Oslo
Bike: S2r
Posts: 440
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The steel sleeve of the cush drives often get stuck in the sprocket. Lubrication and force.
It's 104 links. |
27-09-2020, 12:40 PM | #4 |
Registered User
Join Date: Jan 2017
Location: Colchester
Bike: S4r
Posts: 96
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Thanks guys.
The exploded view is the same as the ones that I have Darren, so no hidden clips. The flange is seized on the axle, must be very corroded, I need to try & remove it without damaging it. 104 links including the joint? Dave |
27-09-2020, 01:11 PM | #5 |
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Join Date: Jul 2003
Location: East London
Bike: Multiple Monsters
Posts: 9,731
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It should include the master link. Put a blob of tipex or paint on a link to mark it, count the side plates and multiply by two.(when they say ‘links’, they actually mean ‘pins’)
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