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Old 04-04-2004, 01:22 PM   #1
jdiaz OP
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DRZ cam chain tensioner failure

Has anyone actually gone to a manual cam chain tensioner on their DRZ400? If you believe thumpertalk.com, then 10 out of 10 DRZ owners have had this problem.

Jon
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Old 04-04-2004, 09:06 PM   #2
tbirdsp
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Jon, I've got 3000+ miles on mine, mostly off road. I'm not gonna worry about it myself.
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Old 04-04-2004, 09:43 PM   #3
Frank Warner
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The report I have is that when it fails you simply put in a new chain and tensioner and carry on.. that has got to be better than a new drive shaft
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Old 04-05-2004, 09:14 AM   #4
Greg Masters
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There's a guy on eBay (here) who is forever advertising manual chain tensioners. I guess that he must be selling a few.

I think I did hear that Suzuki modded the design for the 2003 MY.

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Old 04-05-2004, 03:55 PM   #5
kelsow
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All CCT's on these bikes, including klx's, are bound to fail sooner rather than later. When they do go, piston meets valves, big time.
Do yourself a favor and spend the $50, it's worth your piece of mind.

If you don't believe me, check out Thumper Talk and search for "cct" under the drz forum.
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Old 04-05-2004, 06:08 PM   #6
The Fist
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Quote:
Originally Posted by jdiaz
Has anyone actually gone to a manual cam chain tensioner on their DRZ400? If you believe thumpertalk.com, then 10 out of 10 DRZ owners have had this problem.

Jon
Thats the only bad thing about the internet chat groups--

I've heard from many people that the manual cam chain tensioner fix is a result of mass-online-paranoia....

BUT--

the cost of the modification is low enough to justify going ahead with it anyway...

we should get together and do the mod (just in case)...
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Old 04-05-2004, 06:10 PM   #7
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Actually, I was hoping to sell my bike to Razorbak before I have to fix anything. :):

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Old 04-05-2004, 07:49 PM   #8
Burren Rider
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I had a 2000 model DRZ that I put 12,000 pretty hard km's on before selling it. I never had a problem with it and I heard that the bloke who bought it to use as a contract mustering bike hasn't had any problems either. Since selling it though, I have seen another 2000 model with two failed tensioners in 16,000km's. I suspect this bike would have had a bit easier life too, so it might be worth looking into.
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Old 04-06-2004, 07:53 AM   #9
dagwood
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I figure like anyother bike, you hear more from the people that have had a problem than have never had any issues. whats the quote? "squeeky wheel gets the grease." If it "can" become a problem and the fix is cheep just call it PM and spend the $50. and don't worry anymore.
just imo.
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Old 04-07-2004, 09:12 AM   #10
MookieBlaylock
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i put one on (the mechanic put it on) and it has a perpetual film of oil on it. Not alot at all, but enough to be annoying. And since it is a "manual" device it might have to be ajusted at some point. Looks cool
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Old 04-11-2004, 04:01 PM   #11
MikeJ
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I have a 2000 DRZ400E and last January the cct failed, causing the cam chain to jump over the cam sprocket. I was lucky and all it cost me was a dnf at a local race. I replaced the cct with a manual one, corrected the cam timimg and it's running fine now.

It could have been worse as you can imagine. I lost a cam chain on my old DR350 and it siezed the motor and cost me $1K to repair.

Mike
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Old 04-12-2004, 12:21 AM   #12
tbirdsp
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From the DRZ Yahoo group:

"I do have the info on the Cam chain adjuster,
2000 models had failures, 2001-2002 models had an update and 2003 had a
whole new design. It is advised to update any 2000-2002 models to the 2003
to avoid problems in this area. I stock them and most dealers do not. I
have an alert on this on my website at www.kientech.com
My best regards
Jesse"
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Old 04-12-2004, 06:44 AM   #13
Marc
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I'd read that and other posts indicating that the '03 had a redesign. Since my bike was virtually unused until I bought it a couple of months ago (and is still under warranty 'till August), I'm going to take a "wait and see" approach. There are others who have ridden much harder/faster and can do the motor destruction testing for me. I'll keep an eye on the boards for any '03 CCT failures.

Marc
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