any timing tensioner falures? - Club700XX - Honda TRX700XX Forum
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post #1 of 10 Old 08-26-2010, 08:52 AM Thread Starter
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any timing tensioner falures?

im wondering if anybody had tensioner problems yet, im starting to think more and more that my tensioner is bad.i used a stethascope last night and it seems the tap is concentrated on the right side around the timing chain, it doesnt go away or change at all with clutch use and it a very constant tap.and i cant hear it in the bottom end at all or around the valves. so i have it narrowed down to clutchbasket or timing tensioner.
im going to pull both tonight and inspect, if the clutch basket doesnt have any more play then last time i checked it, then im gong to order a tensioner.but the clutch did have some odd side to side movement last time so i want to check that first..i cant believe im the only one with irregular engine noise, just my luck.

2008 TRX 700XX (Black/Charcoal)
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2007 GSXR 1000 (Orange/Black)
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post #2 of 10 Old 08-26-2010, 08:44 PM
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I haven't had any problems with mine. Come to think of it, I have never had an issue on a bike with an auto-tensioner. The old manual ones are a different story. If the noise doesn't change when you actuate the clutch then I would agree with your trouble shooting. Does it pick up with rpm? Like I said I have never had to do anything to an auto-tensioner, but I know you are never supposed to mess with them on a running bike like the manual ones and you have to have some special tool to remove/install them correctly.


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post #3 of 10 Old 08-27-2010, 08:10 AM Thread Starter
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it does get faster with rpm.

2008 TRX 700XX (Black/Charcoal)
13T,Stage 1 hotcam,11:1 CP piston,L8ton Sway bar,Orange Maier Plastics,21" razr 1 front,ITP Sandstars on 10" ITP T9 Pro Series,FMF powerbomb/powercore.EHS programmer next.

2007 GSXR 1000 (Orange/Black)
-1,+2 Driven Kit,K&N, Full Leovince stainless exhaust,PcIIIUSB/Dyno tune,Hyperpro Damper,ASV Levers,Woodcraft Engine covers,Woodcraft Clipons,Xenon HID,Carrozzeria Wheels,Galfer Rotors(gsxr.com 2010 bike of the year)
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post #4 of 10 Old 09-02-2010, 01:52 PM
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I havent had any trouble yet with cam chain tensioner on my 08 700xx, its got about 140 hrs on it. I havent even checked the valves yet. But on my 400ex the cam chain tensioner wears out every 2 years. you could here the chain slapping inside the motor at first we thought it was the valves but they were fine. i put a new cam chain and tesioner on it also some new rings since i had the jug off of it. if you have the honda 4 year warrany they should warranty it, they did on my 400ex.


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post #5 of 10 Old 12-20-2010, 08:51 AM
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I have seemingly the exact sort of thing and it is driving me crazy! I thought it might be a valve seat or something? It doesn't change with the clutch and comes on about mid RPM and higher>? Sounds like a chain tensioner that is stuck? The valves are adjusted perfect, and the engine runs excellent? It seems as if it is coming from a higher point location in the engine, i.e. not the bottom end? I would sure appreciate any help on this one!!! I am at [email protected]
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post #6 of 10 Old 12-21-2010, 07:06 PM
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Auto cam chain tentioners are notorious for going out and some even back out when the gas is nailed....i don't know if they make a manual one but you should see if its the same as the 450r or xr650...they make manual ones for both.....or convert yours.....go to thumpertalk.com and seach the DRZ400 forum....there are a few step by step how to's....
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post #7 of 10 Old 12-23-2010, 08:59 AM Thread Starter
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Originally Posted by pinarello57 View Post
I have seemingly the exact sort of thing and it is driving me crazy! I thought it might be a valve seat or something? It doesn't change with the clutch and comes on about mid RPM and higher>? Sounds like a chain tensioner that is stuck? The valves are adjusted perfect, and the engine runs excellent? It seems as if it is coming from a higher point location in the engine, i.e. not the bottom end? I would sure appreciate any help on this one!!! I am at [email protected]

i found the problem, my clutch basket bearing went out and my basket was walking, it would not change with the clutch though, when ordering a new on i see that honda has an updated bearing that replaces the stock one.

2008 TRX 700XX (Black/Charcoal)
13T,Stage 1 hotcam,11:1 CP piston,L8ton Sway bar,Orange Maier Plastics,21" razr 1 front,ITP Sandstars on 10" ITP T9 Pro Series,FMF powerbomb/powercore.EHS programmer next.

2007 GSXR 1000 (Orange/Black)
-1,+2 Driven Kit,K&N, Full Leovince stainless exhaust,PcIIIUSB/Dyno tune,Hyperpro Damper,ASV Levers,Woodcraft Engine covers,Woodcraft Clipons,Xenon HID,Carrozzeria Wheels,Galfer Rotors(gsxr.com 2010 bike of the year)
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post #8 of 10 Old 01-07-2011, 08:02 AM Thread Starter
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bump: after i rode it with te clutch basket replaced it was making more engine noise but a different kind, then it started missing, come to find out my timing tensioner did go out as well, i turned my stock one into an adjustable manual one for about $3.50 and it works like a charm, ill post up pics and a write up about how i did it, it only took about 20 minutes.

2008 TRX 700XX (Black/Charcoal)
13T,Stage 1 hotcam,11:1 CP piston,L8ton Sway bar,Orange Maier Plastics,21" razr 1 front,ITP Sandstars on 10" ITP T9 Pro Series,FMF powerbomb/powercore.EHS programmer next.

2007 GSXR 1000 (Orange/Black)
-1,+2 Driven Kit,K&N, Full Leovince stainless exhaust,PcIIIUSB/Dyno tune,Hyperpro Damper,ASV Levers,Woodcraft Engine covers,Woodcraft Clipons,Xenon HID,Carrozzeria Wheels,Galfer Rotors(gsxr.com 2010 bike of the year)
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post #9 of 10 Old 01-07-2011, 03:04 PM
 
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I looked on Thupertalk over Christmas on the XR600/650 section . trying to find if the XR650R had the same problems. I think it was a worn cam chain. I'll try and find the post because it tells you how to identify which bit is worn or damaged.
As for tensioner , I was going to see if the XR650R tensioner is the same . I think they use the same gasket and find a HRC adjuster.

My clutch basket has a alot of side to side movement aswell and trying to find an aftermarket clutch basket. The 2nd basket I fitted has lasted 27 hours .

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post #10 of 10 Old 01-07-2011, 06:55 PM Thread Starter
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Originally Posted by Baxter View Post
I looked on Thupertalk over Christmas on the XR600/650 section . trying to find if the XR650R had the same problems. I think it was a worn cam chain. I'll try and find the post because it tells you how to identify which bit is worn or damaged.
As for tensioner , I was going to see if the XR650R tensioner is the same . I think they use the same gasket and find a HRC adjuster.

My clutch basket has a alot of side to side movement aswell and trying to find an aftermarket clutch basket. The 2nd basket I fitted has lasted 27 hours .

mine toasted the clutches when the first one went bad.now i have everything ok, and i have about 15 hours on it so far.

2008 TRX 700XX (Black/Charcoal)
13T,Stage 1 hotcam,11:1 CP piston,L8ton Sway bar,Orange Maier Plastics,21" razr 1 front,ITP Sandstars on 10" ITP T9 Pro Series,FMF powerbomb/powercore.EHS programmer next.

2007 GSXR 1000 (Orange/Black)
-1,+2 Driven Kit,K&N, Full Leovince stainless exhaust,PcIIIUSB/Dyno tune,Hyperpro Damper,ASV Levers,Woodcraft Engine covers,Woodcraft Clipons,Xenon HID,Carrozzeria Wheels,Galfer Rotors(gsxr.com 2010 bike of the year)
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