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General Category >> Rubber Side Down! >> cam tensioner weirdness!
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Message started by zipidachimp on 10/16/17 at 20:37:46

Title: cam tensioner weirdness!
Post by zipidachimp on 10/16/17 at 20:37:46

A year ago when I bought my 2nd S40, I opened it up right away and measured the tensioner at 16 mm at 5000 kms. Last Friday, a cold day(54'F) I heard a metallic clanking coming from what appeared to be the tensioner area. Clanking went away on warm-up and stayed away.
Today, i opened it up to check tensioner
progression and was surprised to find it had REGRESSED to 15.4mm at 7000 kms!!!!!!!!!! If the rest of my bike improves at this rate, I'll never sell! 8-)

Title: Re: cam tensioner weirdness!
Post by justin_o_guy2 on 10/16/17 at 20:52:06

You can name it
Benjamin...

Title: Re: cam tensioner weirdness!
Post by eau de sauvage on 10/16/17 at 23:15:49

Did you reuse the gasket? Just asking as I'll be checking the tensioner next service.

Title: Re: cam tensioner weirdness!
Post by Ruttly on 10/17/17 at 03:26:35

627D7B7C61665767576F7D713A080 wrote:

You can name it
Benjamin...

JOG , I wonder how many got that ! I did.

Title: Re: cam tensioner weirdness!
Post by zipidachimp on 10/17/17 at 04:27:17

re-using the gasket has not been a problem so far. I use a light smear of gasket goo in addition. 8-)

Title: Re: cam tensioner weirdness!
Post by stewmills on 10/17/17 at 07:40:55

This sure seems like a very curious case, guys. ;)

Title: Re: cam tensioner weirdness!
Post by justin_o_guy2 on 10/17/17 at 07:49:12

Check your odometer.
If it's showing fewer miles, when you change the oil, dump used oil in and see if it comes out clean.

Title: Re: cam tensioner weirdness!
Post by stewmills on 10/17/17 at 09:41:16

Better yet, you probably need to start off with 1/2 a tank of fuel. Check it after about 50 miles and see if the bike has self-manufactured more fuel and possibly refilled the tank up to the filler neck. You'll want to dump out that extra fuel before you drive nay further and it starts overflowing.

Title: Re: cam tensioner weirdness!
Post by justin_o_guy2 on 10/17/17 at 09:48:48

I dunno How you're gonna deal with tires. No telling what they will do as the miles fall away.

I'm probably gonna wonder about the accuracy of the measurements on the tensioner.

Title: Re: cam tensioner weirdness!
Post by Ruttly on 10/17/17 at 19:30:49

Oh dear what sarcasm, that's my job !

Title: Re: cam tensioner weirdness!
Post by justin_o_guy2 on 10/17/17 at 20:06:49

That's Not sarcasm,Ruttly.
That's ribbin,,

Title: Re: cam tensioner weirdness!
Post by batman on 10/17/17 at 20:45:30

The difference can be the measurement is taken at different temps (cylinder- head expansion) or if the piston kicked back when the motor shut off ,and wasn't rotated by hand.

Title: Re: cam tensioner weirdness!
Post by justin_o_guy2 on 10/17/17 at 20:54:45

Hard to say, could be I spose.
Not a big difference. I was just having fun.

Title: Re: cam tensioner weirdness!
Post by zipidachimp on 10/17/17 at 22:55:58

Ok, so I buttoned it back up, likely won't need a Versy for at least a year. This is a better bike than I thought, too bad it's now bloody cold and insurance is close to expiring. Add a tach over the winter and I'm done!
The only drawback from what I've done so far is the loud intake noise from the K&N filter. 8-)