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General Category => General Discussion => Topic started by: bigbikerrick on March 08, 2022, 04:57:22 AM

Title: Cam chain tensioner replacement needed?
Post by: bigbikerrick on March 08, 2022, 04:57:22 AM
Hello Folks, I have been going through,and sorting all the little things that need to be done on my newly accquired 98 EV, like changing relays, lubing splines,and cush drive, etc etc. I am wondering if the 98 EV has a flimsy type of timing chain tensioner that should be replaced with a valtek, or "bow" type of tensioner, or does this year bike come with a decent oem tensioner?
The bike has around 30K miles.
Thanks
Rick Duarte
Title: Re: Cam chain tensioner replacement needed?
Post by: bikeridertim on March 08, 2022, 06:39:25 AM
I have a 99 EV and didn't change mine until I was over 150,000 miles. I would say unless you are already into the front cover,  have one available, and just looking for something to do I wouldn't bother.  Now if it's worn out,  yeah go for it!
Title: Re: Cam chain tensioner replacement needed?
Post by: fotoguzzi on March 08, 2022, 07:15:03 AM
The tensioner in a 1998 is better than the rubber block of old.

(https://photos.smugmug.com/EVert-project/i-v8NFdTj/0/33822a36/L/DSCN1443-L.jpg) (https://fotoguzzi.smugmug.com/EVert-project/i-v8NFdTj/A)
Title: Re: Cam chain tensioner replacement needed?
Post by: guzzisteve on March 08, 2022, 09:58:16 AM
Don't believe all the BS here about it. I put the so called flimsey one in my Cal 2 100Kmi ago, still no slop. My EV has no slop @65K mi
I don't believe BS on this forum, "you have to do this, you have to do that". "why, you can't do that" all BS

PS: There are thousands of motors fine with Guzzi's adjuster. I find the bow type to be too much pressure.
Title: Re: Cam chain tensioner replacement needed?
Post by: bigbikerrick on March 08, 2022, 01:00:22 PM
Thank you , Tim, Foto, and Steve. You guys have convinced me to leave it alone. I thought it was "ticking" and making noise, but it looks like the noise was caused by exhaust valves having a bit too much clearance. After a good valve adjustment, it has quieted down.
Rick.
Title: Re: Cam chain tensioner replacement needed?
Post by: Huzo on March 08, 2022, 02:10:04 PM

(https://i.ibb.co/fQ1qczQ/4-B72-B2-AF-6-A30-4148-A0-C7-62-F57506-DAE7.jpg) (https://ibb.co/fQ1qczQ)
I find the bow type to be too much pressure.
I did (and still do), wonder about that when I did mine
Title: Re: Cam chain tensioner replacement needed?
Post by: guzzisteve on March 08, 2022, 02:22:43 PM
You would have to measure chain stretch, both for a certain amount of mi. .from a new chain.
Title: Re: Cam chain tensioner replacement needed?
Post by: Huzo on March 08, 2022, 02:30:24 PM
You would have to measure chain stretch, both for a certain amount of mi. .from a new chain.
I did.
I compared the old one with the replacement.
Can’t recall the amount.
Title: Re: Cam chain tensioner replacement needed?
Post by: lucky phil on March 08, 2022, 05:32:32 PM
Not a nice outcome from an aftermarket tensioner failure.



(https://i.ibb.co/zSVYqms/Z35.jpg) (https://ibb.co/zSVYqms)




Ciao
Title: Re: Cam chain tensioner replacement needed?
Post by: moto-uno on March 08, 2022, 05:40:37 PM
  If the Valtec are 'applying too much pressure' , then that must be what's wanted , mine went in almost 2 decades ago
and heaven knows how many miles and it's still quiet and operating fine , the original , now that bordered on useless ! :evil:
Peter
Title: Re: Cam chain tensioner replacement needed?
Post by: Huzo on March 08, 2022, 06:47:07 PM
  If the Valtec are 'applying too much pressure' , then that must be what's wanted , mine went in almost 2 decades ago
and heaven knows how many miles and it's still quiet and operating fine , the original , now that bordered on useless ! :evil:
Peter
What Phil’s saying is not that the tensioner is moving too far, it’s that the force applied is too great.
Title: Re: Cam chain tensioner replacement needed?
Post by: bigbikerrick on March 09, 2022, 03:06:49 AM
Not a nice outcome from an aftermarket tensioner failure.



(https://i.ibb.co/zSVYqms/Z35.jpg) (https://ibb.co/zSVYqms)




Ciao
Wow, Thats ugly!
Rick.