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30-03-2020, 09:33 AM | #1 |
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cam belt change s4r
Hi folks,
I want to change the cam belts on my monster s4r/2006 as there are a few options to purchase, will it matter if i choose a non OEM belt, as far as i understand it the two belts are the same, also is there anything else i should check or change when swapping the belts, the bike has 7,750 miles and the last change was before i bought the bike at 4,200 miles [four years ago], will i need any special tools. thanks in advance for any help. [first post for me] stay safe.] p.s. what are the options for a manual. Griff. |
30-03-2020, 09:54 AM | #2 |
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Join Date: Jul 2003
Location: East London
Bike: Multiple Monsters
Posts: 9,712
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Hi Griff, check out https://youtu.be/lNsC8Mn6big
you should be able to find links to the remaining videos from there Chris runs http://ca-cycleworks.com/ and http://www.ducatitech.com/ he also supplies http://www.exactuk.com/about-exactfit-cam-belts/ If you want OEM call Craig or Luke at MotoRapido, they do efficient mail order and give 10% discount to UKMOC members |
30-03-2020, 12:19 PM | #3 |
Registered User
Join Date: Mar 2010
Location: Beachtown
Bike: M900
Posts: 2,188
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Stuart Sonley at Exact UK will also give a 10% discount when paying through friends and family via PayPal.
Drop him an email saying what you are interested in if you decide to use the Exact belts rather than ‘Ducati’ ones. I’ve been using them a while now with no issues. Also ordered these little babies 25/3 and arrived 27/3 As Slob says, Moto Rapido are brilliant for all genuine Ducati parts with (under normal circumstances) almost telepathic delivery.
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You're perfect, yes, it's true- But without me you're only you! Last edited by Flip; 30-03-2020 at 12:22 PM.. |
01-04-2020, 06:41 PM | #4 |
I still have the s4r!
Join Date: Feb 2009
Location: salisbury, wiltshire
Bike: S4r
Posts: 1,896
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Quite easy to change, got belts from moto rapido.
Upright head, right cam pully requires lockin tool as that will flick round, 24mm swan neck spanner for tension adjustment and 13mm spanner, twist belts about half a turn to check tension, but if you've got a tension tool use that. Hope that helps
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What's that coming over the hill....... |
02-04-2020, 05:17 PM | #5 |
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Hi folks,
thanks for your advice, will finish the service and order the belts when things have gotten back to normal. Griff.. |
03-04-2020, 07:25 PM | #6 | |
record breaker!!
Join Date: Apr 2006
Location: Peterborough
Bike: M1200R
Posts: 2,154
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Quote:
i also own the cam lock tool Chris mentioned. You are welcome to borrow.
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It's not the destination, but the journey that matters Definition of a motorbike, a devise for overtaking cars! |
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02-04-2020, 06:12 PM | #7 |
Transmaniacon MOC
Join Date: Sep 2013
Location: Sutton In Ashfield
Bike: Multiple Monsters
Posts: 6,023
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There is a tool you can get that locks both cam wheels together and with it you should be able to change the belts or even remove or replace the pulleys, it's not that expensive to buy either. I'll see if I can find one on fleabay.
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Roast Beef Monster! Termignoni and Bucci - Italian for pipe and slippers! S4 Fogarty, S4R 07T, 748, Series 1 Mirage |
02-04-2020, 06:37 PM | #8 |
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Join Date: Jul 2003
Location: East London
Bike: Multiple Monsters
Posts: 9,712
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996 or 998 (testastretta)? I believe you'll need a different tool depending on which S4R model it is.
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02-04-2020, 07:13 PM | #9 |
Transmaniacon MOC
Join Date: Sep 2013
Location: Sutton In Ashfield
Bike: Multiple Monsters
Posts: 6,023
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Yea, Rob's right it will depend on if you have the 996 or 998 TS model.
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Roast Beef Monster! Termignoni and Bucci - Italian for pipe and slippers! S4 Fogarty, S4R 07T, 748, Series 1 Mirage |
03-04-2020, 07:28 AM | #10 |
Bronze Member
Join Date: Nov 2014
Location: Hondon de los Frailes
Bike: S4r
Posts: 286
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I have the 998 engine in my s4r, I marked where the cams are with tippex, then count the number of teeth between each cam sprocket before removing the old belts, I also use an app to check the belt tension - Gates carbon drive - it works a treat.
Happy monstering |
03-04-2020, 08:26 AM | #11 |
Transmaniacon MOC
Join Date: Sep 2013
Location: Sutton In Ashfield
Bike: Multiple Monsters
Posts: 6,023
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This one is for a 999 engine and others:-
https://www.ebay.co.uk/itm/Cam-Gear-...0AAOSwWLddjhks Most seem to be 3D printed plastic these days and there are some smaller and less substantial looking ones. The one I have is metal.
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Roast Beef Monster! Termignoni and Bucci - Italian for pipe and slippers! S4 Fogarty, S4R 07T, 748, Series 1 Mirage |
03-04-2020, 08:36 PM | #12 |
Registered User
Join Date: Dec 2010
Location: Leeds, West-Yorks
Bike: S4Rs
Posts: 497
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+1 for the exact fit belts. If your setting the tension by frequency, check on their website because their tension values are slightly lower.
The locking tool is cheap enough. ( mines ally). One of the vertical pulley cover hex bolts is very close to the frame. I cut an old Allen key very short for this job. Masking tape on frame for protection as you can chip the paint. Check the tensioner pulleys bearings for play. Some other observations are replace the regulator/ rectifier with a shindegen mosfet type which run more stable and run cooler. Yours will pack in and cause running issues and possible battery damage as mine did. Keep your eye on the water radiator where the button head bolts go through the radiator. Mine was n/s top. Quite a common issue issue due to the position of the fasteners. |
04-04-2020, 02:52 AM | #13 |
You Are What You Is
Join Date: May 2005
Location: A Foward Location
Bike: S4r
Posts: 1,948
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Note that the cam lock tool for the S4R differs due to the dropped cam
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04-04-2020, 07:42 AM | #14 | |
Guest
Posts: n/a
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Quote:
Nick (Ducati ST enthusiast) |
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04-04-2020, 08:33 AM | #15 |
Transmaniacon MOC
Join Date: Sep 2013
Location: Sutton In Ashfield
Bike: Multiple Monsters
Posts: 6,023
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The dropped cam heads were I'm led to believe originally developed for and used briefly in the 955 Corsa factory race bikes and are also used in the 748 E version only and not the standard 748 or S, why I don't know.
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Roast Beef Monster! Termignoni and Bucci - Italian for pipe and slippers! S4 Fogarty, S4R 07T, 748, Series 1 Mirage |
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