SuzukiSavage.com - What the... was THAT noise?!

jkhulon73

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What the... was THAT noise?!
09/26/07 at 03:48:04

Man, I hardly slept last night. Was riding home last night and noticed a different vibration start up about halfway through the trip. About a mile from home I stopped and took out the earplugs- there's something rumbling pretty deep down in the engine, down in the bottom end. And the tapping was a LOT louder, too. Tongue

It ran though. Ran fine except for the horrible noise. Babied it through the subdivision and parked it.

I've got a bad feeling something popped out of somewhere and went somewhere it shouldn't be...

I'll crack open the case in a couple of hours and see. I'm pretty tired right now.

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skatnbnc Serious Thumper Offline Spinning Pink Posts: 1286 New Bern NC Gender:	Re: What the... was THAT noise?! Reply #1 - 09/26/07 at 05:48:16 How many miles on your bike? Then check the usual suspect - the tensioner and cam chain.
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jkhulon73

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Re: What the... was THAT noise?!
Reply #2 - 09/26/07 at 07:00:07

According to the PO, the speedo was correct with 6,847. I rolled over 7,500 yesterday.

I've got a feeling the PO lied to me about the milage as well...

I may have to fire up one of those new, super-duper cam chains after all.

I feel like Han Solo, running around, trying to prep the Falcon to leave Hoth... "I just got her back together!"

Yep, I'm a geek.

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jkhulon73 Ex Member	Re: What the... was THAT noise?! Reply #3 - 09/26/07 at 09:33:32 Just a shade under 20mm of piston If you look close at the top of it, you can see where the piston was rubbing on the cylinder... Guess I'm stuck in the cage for a while...
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Savage_Rob

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Re: What the... was THAT noise?!
Reply #4 - 09/26/07 at 09:39:10

jkhulon73 wrote on 12/31/69 at 16:00:09:

http://w2.bikepics.com/pics/2007/09/26/bikepics-1036917-full.jpg

Just a shade under 20mm of piston Angry

If you look close at the top of it, you can see where the piston was rubbing on the cylinder...

Guess I'm stuck in the cage for a while...

From this angle I can't see if the cylinder was beginning to distort or not. It doesn't appear to be but I can't see for sure. Either way, it's good it hasn't yet separated - but it is time to install the VerSlavy mod.

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Yonuh Adisi FSO

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Re: What the... was THAT noise?!
Reply #5 - 09/26/07 at 09:53:26

jkhulon73 wrote on 12/31/69 at 16:00:09:

I feel like Han Solo, running around, trying to prep the Falcon to leave Hoth... "I just got her back together!"

Yep, I'm a geek.

I know exactly how you feel.

"I'm trying to get us outa here and you tear this apart now? Put it back together."

"No no no, that one goes there, and that one goes there, right?"

"Okay, try it now." Smoke and sparks. "No no no SHUT IT OFF SHUT IT OFF!!"

I'm a geek too as you can tell from my signature line

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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: What the... was THAT noise?! Reply #6 - 09/26/07 at 10:13:24 I dont see the cam chain tensioner as anything to do with a niose like you describe. That one looks better than mine did when I openned it up to inspect.
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verslagen1

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Re: What the... was THAT noise?!
Reply #7 - 09/26/07 at 10:33:16

If you take off the adjuster, on the backside where the tensioner guide rubs against the aluminum housing you can see scratch marks if the adjuster was flopping up and down. All the bad ones I've gotten have it.

Yes, that one still looks good. The place to check is where the plunger rests on the housing in this extended position. There can be some deep wear.

It's a subtile noise that alerts you to the problem. If you're really in tune with your bike, it feels like a jack hammer. Grin

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jkhulon73

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Re: What the... was THAT noise?!
Reply #8 - 09/26/07 at 10:58:30

verslagen1 wrote on 12/31/69 at 16:00:09:

If you take off the adjuster, on the backside where the tensioner guide rubs against the aluminum housing you can see scratch marks if the adjuster was flopping up and down. All the bad ones I've gotten have it.

Yes, that one still looks good. The place to check is where the plunger rests on the housing in this extended position. There can be some deep wear.

It's a subtile noise that alerts you to the problem. If you're really in tune with your bike, it feels like a jack hammer. Grin

I ride with plugs in all the time- my hearing may have been jacked up last night, but that vibration just about set my teeth on edge! I'll have to fool around with it tomorrow- right now, I'm late for work Tongue

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Baldeagle Full Member Offline I love YaBB 1G - SP1! Posts: 163 Hernando MS Gender:	Re: What the... was THAT noise?! Reply #9 - 09/26/07 at 13:48:00 While we are on the cam adjuster subject.......Can this be checked pretty easily by a 'not so gear head' or do I need somebody like Lancer or Justin-old-guy2? 05 S40.....7,000 miles. Will search for a post Thnaks
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verslagen1

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Re: What the... was THAT noise?!
Reply #10 - 09/26/07 at 14:20:23

It's not hard to check.
You might need to replace the gaskets for the header or the clutch cover. So having these on hand is a plus.
You need to drop the oil and filter.
Remove right footpeg mounting plate.
Remove the header and muffler.
Disengage the clutch cable.
Remove the clutch cover.
Eyeball the adjuster.
You need to do something if the plunger is out 18mm to the shoulder of the plunger.
Replace in reverse order.
Clutch cover gasket may need a little sealant around the oil path at the top of the cover.
If you got to go further, it's a lot more effort but not difficult.

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jkhulon73

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Re: What the... was THAT noise?!
Reply #11 - 09/26/07 at 16:22:33

I look at it this way-

I caught it before it became a REALLY bad problem
This is an opportunity for me to tweak the bike a bit.

I did run a magnet through the oil this morning- kinda of quick like, but there weren't any flakes or anything on it, soooo, I'm gonna order the cam chain over there in The Marketplace and use the next... month and a half... to really nail down the paint, refine the seat & tail-lights, and pretty much completely rewire the bike.

It's going to suck not having anything to ride, though.

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Savage_Rob Serious Thumper Alliance Member Offline Mechanically Inclined Amateur Posts: 6972 Texas (Dallas area) Gender:	Re: What the... was THAT noise?! Reply #12 - 09/27/07 at 05:55:17 jkhulon73 wrote on 12/31/69 at 16:00:09: I did run a magnet through the oil this morning- kinda of quick like, but there weren't any flakes or anything on it At least nothing ferrous anyway. That's the only problem I have with my magnetic oil drain plug... much of the engine is non-ferrous.
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jkhulon73

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Re: What the... was THAT noise?!
Reply #13 - 09/27/07 at 07:15:30

Savage_Rob wrote on 12/31/69 at 16:00:09:

At least nothing ferrous anyway. That's the only problem I have with my magnetic oil drain plug... much of the engine is non-ferrous.

I was going to run the oil through a coffee filter as well, but I'm not really in the mood to even go out in the garage this morning, much less spend an hour or so waiting for cold motor oil to drip through a piece of paper. I may just take some more pictures of the tensioner...

Migraines rawk Angry

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youzguyz

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Re: What the... was THAT noise?!
Reply #14 - 09/27/07 at 07:59:38

jkhulon73 wrote on 12/31/69 at 16:00:09:

I was going to run the oil through a coffee filter as well, but I'm not really in the mood to even go out in the garage this morning, much less spend an hour or so waiting for cold motor oil to drip through a piece of paper. I may just take some more pictures of the tensioner...

Migraines rawk Angry

Heat the oil up first and it will flow faster.
Make sure you use the "Significant Other's" absolute best pot to heat the oil. Tongue

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