Any other CBR6 owners had the Cam chain tensioner problem?

[Villers]

Hi guys, my 2000W Fx has developed the more than annoying cam cahin tensioner problem. It has been a bit rattly for a few months but has finally started its descent into a forced repair. Trouble is, all the fair weather bikers are back out now so the garage is busy doing services on bikes that did 150 miles last year so Ive got to wait until the 22nd of june Been told to take it easy aswell. Anybody else had the same problem? Anyone fitted a new one themselves?


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RS125 > CBR6 > SV650S > ZX636R > GSX1300RZ Hayabusa > 06 RSVR Mille > SV1000S > Street Triple 765 RS

[.....]

It's a common problem I'm afraid. Gotta get mine looked at as well

[VTR SP1]

I had my one replaced 3 times on warranty. Was ok in the end.

SP1

[Villers]

I read a site last night detailing how to fit it, it looks like a piece of piss and really felt like having a go. I told the bloke at the garage this and he said its important to get your timing marks lined up firt or the chain can jump two clicks and you could end up with bent valves. The bleedin site didnt mention any of that!
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RS125 > CBR6 > SV650S > ZX636R > GSX1300RZ Hayabusa > 06 RSVR Mille > SV1000S > Street Triple 765 RS

[mchaggis]

Getting the valve timing wrong is the most sure-fire way to kill your engine other than perhaps running it without any oil in it. Even a single tooth out can spell disaster.
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[Villers]

From what I can gather they have been changing the design of the part to try and stop it re-curring. Pain in the arse if its going to keep going. Im hoping my bike has the original and Its about to get the new improved part and wont go wrong again?
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RS125 > CBR6 > SV650S > ZX636R > GSX1300RZ Hayabusa > 06 RSVR Mille > SV1000S > Street Triple 765 RS

[Kickstart]

Hi

Doddle to fit. In theory the cam timing could jump when you take the tensioner out, but this is fairly unlikely.

All the best

Keith
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Traxpics, track day and racing photographs - Bimota Forum - Bike performance / thrust graphs for choosing gearing

[Villers]

So you mean that as long as it remains in the same position when you take out the old one, and the new one goes back in without any cam chain movement then theres no problem?
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RS125 > CBR6 > SV650S > ZX636R > GSX1300RZ Hayabusa > 06 RSVR Mille > SV1000S > Street Triple 765 RS

[Kickstart]

Hi

Pretty much. Depending on the exact position the engine stops in the cams could be pulling the cam chain one way or the other.

If you are worried take the rocker cover off and keep an eye on it while you do the work. Once the new tensioner is in place then check the cam timing, and turn the engine over carefully by hand.

All the best

Keith
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Traxpics, track day and racing photographs - Bimota Forum - Bike performance / thrust graphs for choosing gearing

[Villers]

cheers keith, but to a coward like me that sounds far too much like

'take it to the garage cos your bound to make a mess of it!'

cheers anyway matey!
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RS125 > CBR6 > SV650S > ZX636R > GSX1300RZ Hayabusa > 06 RSVR Mille > SV1000S > Street Triple 765 RS

[Visitor Q]

[Kickstart]

Hi

The CCT is just a spring with a ratchet so that it can only go one way. Push tensioner fully in, put CCT body into engine and bolt up, put spring in place and then put the bolt in the end of it.

All the best

Keith
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Traxpics, track day and racing photographs - Bimota Forum - Bike performance / thrust graphs for choosing gearing

[cbrbiker]

[swaffs]

yup.. getting it recently

I have an article from ride magazine which describes a fix.(although it doesn't alst forever) but at least stops it for a while.

will try and look it up.
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[Hex]

I had mine off when I did my 16k service. Its easy, and a haynes manual will tell you where to put the timing marks etc to before removing it.

It is a bit fiddly getting in to do them and there is no need for the special tool to release the tension, a small screwdriver does this just fine.

Do it yourself.
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[Villers]

Thanks for the tip hex, but its all a bit academic anyway now because some dopey cow reversed over me and my bike yesterday afternoon!
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RS125 > CBR6 > SV650S > ZX636R > GSX1300RZ Hayabusa > 06 RSVR Mille > SV1000S > Street Triple 765 RS

[The#Doctor#]

I just got a cbr600fy recently as my first 'big bike' How would i know if my bike develops the same problem ?

Forgive me if this is a stupid question but only been riding a year
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[Hex]

[Villers]

Im ok, backs a bit sore but the bike is a state! I was really impressed at how well it held up though, i was expecting bits everywhere but all I got were scratches and cracks!

As far as diagnosing the CCT problem, it normally rears its ugly head at about 3000 rpm and sounds like a bad rattle.
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RS125 > CBR6 > SV650S > ZX636R > GSX1300RZ Hayabusa > 06 RSVR Mille > SV1000S > Street Triple 765 RS