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08-18-2012, 09:01 PM,
#1
Rattle to the right '01 1100 V Star Engine
Just put in a new up dated starter clutch assembly (in a good friends bike). We had a Clymer service manual. I am a very competent mechanic of 40 years, with good tools and pullers. The job went well, the bike runs good and starter works well. Except once the bike is warm, we get a pretty good rattle when the bike is leaned to the right.(this was not present before) Level and to the left it sound good. (and the bike runs well). We took the bike back apart and double checked our work. Had the rear cylinder at TDC, used the 6mm pin in the cam gear. double marked everything (because the dots are well hidden). The oil pump drive chain has about 1/4 inch of slack, but looks good. The bike has 42000 well taken care of miles on it. This would not be a task for an amateur mechanic. I felt comfortable doing this task, but am now stumped with the rattle. I hope someone could please help me. Sincerely Tom PH 920-202-4380
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08-18-2012, 10:18 PM,
#2
RE: Rattle to the right '01 1100 V Star Engine
Welcome to the forum.

We'll kick it around a little bit and some other members I'm sure will chime in but with your knowledge the "feeling" I get is that this is something super simple that is being overlooked...and I don't mean that as an insult in any way, so please don't take it like that, I mean that in a way that you've checked everything to check and it's something silly, if that makes sense. (otherwise you would have figured it out) :)

For example, one time I had a friend whose car was running really poorly. This was after some work was done. A rag or wad of paper towels was left in the intercooler pipes (turbo-charged car) so it ran horribly since the mass air flow senor was reading the air flow counts at the intake but the engine wasn't getting all that air.

I think that when the bike "get warms" that is definitely a hint because if it doesn't when it is cold. We know that (and of course you know...sorry, I think/type out loud) that when things get warm they expand. Covers, gaskets, exhaust systems, hoses, etc. Could any of these be loose? Engine/transmission cover not tightened down enough, a loose bolt holding something? If you star the bike cold and rev the engine does it happen. If you star the bike and ride it immediately and turn learn it right does it happen?

Just some some suggestions/questions

-Matt
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08-20-2012, 11:44 AM,
#3
RE: Rattle to the right '01 1100 V Star Engine
Hi Techtom and welcome to the forums. Interesting issue you have. The starter motor, could it be "bad" or have a bad part in it so when you lean right it is making the noise? Could a cover be loose and when you lean right it just applies enough normal vibration to cause the rattle.

Any way to take a video of it?

Oh, and last question. Can you start the bike and if it is just sitting there and you lean it to the right is it making the noise, or is it only when you are riding it that the noise happens? Does my question make sense. Please chime in and let us know.
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08-20-2012, 02:57 PM,
#4
RE: Rattle to the right '01 1100 V Star Engine
Could the exhaust not be bolted on correctly? I'm not much of an expert and new to these bikes, but just a suggestion. I'm more here to learn than anything, but I wanted to just throw that suggestion in there.
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08-20-2012, 09:47 PM,
#5
RE: Rattle to the right '01 1100 V Star Engine
Any modifications done to the bike, or is it stock. This has me baffled also, seems like you've checked everything there is to check.

I think there have been some good questions asked so far but I am stumped myself.
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08-20-2012, 10:16 PM,
#6
RE: Rattle to the right '01 1100 V Star Engine
I must admit a mistake. We did find the problem.There was a washer behind the snap ring that holds the starter gear clutch in place. It was oil stuck to the old gear, and I missed it. So when the bike was running and was leaned to the right it was kissing the lower can drive gear (no damage). Fortunately we did not run the bike much till we solved the problem. For a little salvation, LOL. I mostly work on SAAB's and Harleys. This was my first time working in depth on a Yamaha. I only hope someone learns from my mistake. For the record, this bike has gone thru 3 starters. There was a new starter in the bike. And a heavier cable added from the solenoid to the starter. We also installed, last year an AGV battery.
On a side note: I have driven thousands of Interstate miles next to this bike. It has been a very good machine, in the mountains (did the GAP twice) and out west. I do have a lot of respect for this machine and my friend Mike (the owner).
Regards Tom (eating a little humble pie)
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08-20-2012, 10:30 PM, (This post was last modified: 08-20-2012, 10:45 PM by Matt.)
#7
RE: Rattle to the right '01 1100 V Star Engine
Glad you figured it out. Simple enough, and with your experience I figured it had to be. Thanks for sharing your experience so we can all learn from it.

Also, Saabs and Harley's...INTERESTING combination for sure.
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08-20-2012, 10:36 PM,
#8
RE: Rattle to the right '01 1100 V Star Engine
wow! sounds like a rare instance and i'm sure it won't happen again...lol
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08-20-2012, 10:57 PM, (This post was last modified: 08-20-2012, 10:58 PM by techtom.)
#9
RE: Rattle to the right '01 1100 V Star Engine
(08-20-2012, 10:30 PM)Matt Wrote: Glad you figured it out. Simple enough, and with your experience I figured it had to be. Thanks for sharing your experience so we can all learn from it.

Also, Saabs and Harley's...INTERESTING combination for sure.

They both have one thing in common, Loctite LOL!!!
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08-20-2012, 11:43 PM,
#10
RE: Rattle to the right '01 1100 V Star Engine
That stuff works wonders on anything automotive
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10-26-2014, 01:09 PM,
#11
RE: Rattle to the right '01 1100 V Star Engine
(08-20-2012, 10:36 PM)indianarider Wrote: wow! sounds like a rare instance and i'm sure it won't happen again...lol

Well, it did happen again. TO ME !! I am a mechanic, (not motorcycle), and I have been racking my brain as to what I did wrong or what happened to cause this noise when the starter clutch went out. My neighbor lives and breathes anything motorcycle / atv/ scooter related, and I had him listen to the noise and we were both stumped as to what it could be. Now thanks to this forum, I can pull the thing apart one more time, and put in the washer I missed, and ride on ! I joined to say thank you and to let others know about this washer that I feel should be pointed out in the parts diagrams for the starter clutch. I am a member on another vstar forum, and I feel obliged to bring this up on there. No one should have to kcik themselves as hard as I have the past day thinking about this !!!
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10-26-2014, 01:53 PM,
#12
Rattle to the right '01 1100 V Star Engine
This is so cool,
I just got a bike with a blown engine after a starter clutch replacement and it was all a mystery as at what happen...
Based on the explanation the Previous owner gave me and this thread I now have an answer :)
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10-26-2014, 03:43 PM,
#13
RE: Rattle to the right '01 1100 V Star Engine
https://sites.google.com/site/vstar1100k...st-do-list. check out the wiki web pages,to keep from blowing starter clutches you never give it throttle while starting..period.and check that the tps is within specs.a tps out of adjustment and cranking the throttle will advance the timing and will chew up the starter clutch.i'm having trouble posting the link if you click on the first heading..
2007 1100 custom,cobra longs and pods,doubled clutch spring.
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