Carb clean - leftover parts =S - Star Motorcycle Forums: Star Raider, V-Max, V-Star, Road-Star Forum
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post #1 of 14 (permalink) Old 05-04-2018, 08:11 PM Thread Starter
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Carb clean - leftover parts =S

Hi All,

I have a 2002 VStar 1100 classic. Just bought it with 2800 miles and in great shape. Over the past 60 days I've put on ~800 miles. She's starting to surge a little and rattle a lot, so I pulled the carbs yesterday for a cleaning expecting fouled fuel buildup to be the issue.

They were OK, but needed cleaning no doubt. However, after putting them together I had 2 o-rings left o my towel (great tip BTW to do all this on a white towel!). It's a chubby small o-ring. They're 2 and I did not see them drop.

I believe they're from one of 2 places: either the jet needle set (which I removed but did not disassemble) or the PMS screws (which I thought odd they didnt have an o-ring). However, the carbs are jetted, so I wasn't sure.

Attached are the pics. Any ideas?

Also, the PO decided for some reason to glue the fuel line on one side. I then damaged it trying to get it off with pliers and grunts. Now I have to remove the glued up line and not scar up the brass inlet. Any ideas?

Thanks in advance for the help!

-Roger
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post #2 of 14 (permalink) Old 05-04-2018, 08:36 PM
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I think you are correct about the o rings going on the PMscrews - but wait for someone else to comment, I have never pulled my carbs apart.

as for the glue, if you are working only on metal, Acetone will take off just about anything that is not metal. Don't get it on any seals, plastics, paint. Its the stuff they use when you glue your hands together with superglue.
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post #3 of 14 (permalink) Old 05-04-2018, 09:11 PM
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I cannot say for sure, but it looks like a pm screw oring, based on other bikes carbs I have worked on.

Too small to be the fuel inlet oring, or main jet (if that carbs mainjet uses one).
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post #4 of 14 (permalink) Old 05-04-2018, 09:21 PM
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Follow link for oring info.
https://www.starbikeforums.com/forums...ght=Carb+oring

Les B.
2001 Vstar 1100 Classic (sold), Cobra Slash Cut full exhaust, Dropped 1 inch with lowering links, ORK, 4.5 inch handlebar risers, Ultimate passenger seat, Passenger pegs moved forward 4 inches, Handlebar clock, KN air filter, Viking saddlebags, Additional rear lighting
Loose nut "me" behind the bars
2006 Harley Electra Glide Ultra Classic

https://sites.google.com/site/vstar1100kb/home
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post #5 of 14 (permalink) Old 05-04-2018, 10:46 PM Thread Starter
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Thanks for that link. Very helpful. So it's not part of the needle. I found a picture of the PMS pin with this o ring on it. But when I put it in, the ring ends up at the bottom of the hole, all loose. It stays in when I pull the PMS, so I think that's exalt what happened before. But now I'm not sure how it's supposed to engage if it's just loose at the bottom? Since I screw the PMS all the way in to find bottom and back out I feel it's disengaged?

Well here's me hoping for the best!

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post #6 of 14 (permalink) Old 05-05-2018, 07:12 AM
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you are right, that does not seem right. The o ring would have to be able to stop fuel from seeping out across the screw threads and leaking out, which it cannot do if its at the bottom of the needle area. I would think it would have to be between the threads of the screw and the head of the screw, on a flat / shaft section.

the o ring may be dried out and in need of replacement.

Last edited by KCW; 05-05-2018 at 07:38 AM.
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post #7 of 14 (permalink) Old 05-05-2018, 02:24 PM
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Or look here. A few o-rings are called out. You might be able to narrow it down based on what you either did not pull apart, or what you did pull apart and can see the o-ring.

https://www.bikebandit.com/oem-parts...5703#sch250206
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post #8 of 14 (permalink) Old 05-05-2018, 02:31 PM
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I'm guessing 9 or 23. Certainly not 11 or 36. Unlikely you took apart 38.
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2002 V-Star 1100 Classic
Memphis Shades Batwing Fairing
Dragbar Handlebars
National Cycle Cruiseliner Saddlebags
7" LED Headlight with 4.5" LED Driving Lights
Corbin Seat
Engine Guard with Kuryakyn Pegs
Chubby Intake with TimB's PMS Thumbscrews
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post #9 of 14 (permalink) Old 05-05-2018, 09:57 PM
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the spring pushes the washer which pushes the oring against hole so it's sandwiched between the washer and the hole it's also snug around the screw. use a heat gun or blow dryer to remove the glued fuel line
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post #10 of 14 (permalink) Old 05-05-2018, 11:36 PM Thread Starter
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Man you guys are awesome helpful. The diagram you sent redcat is perfect for my debug.
So I ended up installin it in the PMS on both sides. BUT on the second side i worked on there already was a ring in there. So I have 2 rings in one side and 1 on the other.

Neither options seems right. I'm guessing it's the oring from the lid of the needle. I'm gonna pull the carbs again tomorrow and see.

As is, it started =) Prob runs like crap but at least I had no leaks and it kicked over!!

I'll report back tomorrow after the rework. I also ordered 2 rebuild kits off amazon since the o-ring on the jet was dried out and the o-ring on the fuel in do-hickey with a screen was also dried out. I'm prob gonna fix it up tomorrow so I can ride it to work monday then pull again Friday when the parts come in. Wasn't as bad a job to pull 'em once you've done it =)

-Roger
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