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General Board / Said Goodbye to YellowJacket Today
« Last post by YellowJacket! on June 22, 2018, 08:56:26 PM »
YellowJacket is on her way to her new home in Baton Rouge Louisiana.  New owner is former Vision Racer from years ago.  He used to race a yellow and black Vision, and apparently his photos have circulated on ROV in the past.

I hated to sell her but I just didn't have the time to ride, and as a trauma surgery PA, seeing some of the after effects of bike wrecks has put a bit of a damper on my motivation to ride.

Anyway, the new owner Steve is a great guy and I know he will take good care of her.

You guys have been wonderful over the last 15 years.  If it wasn't for all the help and parts I got from you all, she wouldn't have turned out as good as she did...or at all..

David, aka YellowJacket
General Board / Re: rear exhaust is leaking, what is the best way to fix?
« Last post by coinsrus on June 21, 2018, 10:34:41 PM »
Does anyone have the dimensions of the copper rings?  The nla marked "A".
Goin Ridin'... / Re: Fathers day ride weekend...
« Last post by fret not on June 18, 2018, 11:33:01 PM »
Great to hear from you Tiger!  And may we ALL be so fortunate to have good friends in our lives.
Goin Ridin'... / Fathers day ride weekend...
« Last post by Tiger on June 17, 2018, 05:40:10 PM »
Just home from a Fathers Day ride weekend in Ontario with: CanadianLouie (Yamaha Venture), NightVision (Honda 700), JoeV (BMW 1200), Wolf (Yamaha 600), Peter (my brother), (Suzuki RF900), and yours truly on a Yamaha FJ1200  ;D Three of which, still have a Vision in their garage  :o !!!

Four Canadian's and two American's...who still carry on a friendship built on this forum. We may not ride together or see each other as regular as we once did but we still have a great bond born out of trust, honesty and a love for two wheels.

Long may our friendships continue and grow...

                                8) ... TIGER ...  8)
TechTalk / Re: carb problem?
« Last post by rotordrvr on June 17, 2018, 02:22:55 AM »
Haven't tried riding it with petcock on prime or with gas cap off. Will do that next week when I get home.
Tank has been sealed and clear supply gas line has no crud in it. Petcock is new as is screen on it.
Fuel pump has been rebuilt and tests good - return line pumps steady stream when engine is running.
I think carbs need to come off and get cleaned out. Probably some junk in one of the float jets.

Thanks for your suggestions!
TechTalk / Re: carb problem?
« Last post by Ron_McCoy on June 15, 2018, 06:07:48 PM »
Have you tried riding with the gas cap off? Sounds like cap vent isnít venting.
TechTalk / Re: carb problem?
« Last post by Walt_M. on June 15, 2018, 06:49:19 AM »
It does sound like fuel starvation. Have you checked the fuel strainer in the tank? I don't think the float bowl vent would do that.
TechTalk / Re: carb problem?
« Last post by QBS on June 14, 2018, 11:12:33 PM »
Sounds like fuel starvation.  Bike off, gas cap on, fuel petcock on Pri, open carb drain screw and observe gas flow out of the float bowl drains.  Nominal situation should drain most of the tank.  If initial flow stops short of that, remove gas cap and look for resumption of flow.  Report results back here.
TechTalk / carb problem?
« Last post by rotordrvr on June 14, 2018, 06:37:05 PM »
First the specifics:
1983 RK model
Airbox flap works, doesn't leak vacuum
New carb mounting boots
New petcock
Yellow/black wire at TCI cut
second (used) TCI works exactly the same as first
Accelerator jets observed working well, aimed properly
6Sigma jet kit installed, fatter main, smaller air jet

Here's the problem:
Bike starts easily, revs cleanly, can take it off enricher in 2-3 minutes, idles smoothly @ 1200 rpm.
Try to ride it however, and in short period of time, one cylinder cuts out.
Continue to ride it on one cylinder and it begins to stumble and won't idle. Front cylinder is dead, rear is misfiring.
Pop open gas cap, hear no whoosh, but set petcock to prime and she starts right up, hitting on both cylinders. Try to ride it and same thing occurs every time.
I'm thinking the filter on the air vent tube on the front carb is clogged.
Anyone ever heard of this before?
General Board / Re: rear exhaust is leaking, what is the best way to fix?
« Last post by coinsrus on June 13, 2018, 09:34:46 PM »
Thanks for your help guys! Its leaking where the ring marked A is.  I have tried to find those and no good so far.  Maybe  I will have to  try cvincer's  High Temp (red) silicon sealer.  Also loosen the exhaust system as fret not says, then retighten (as qbs suggested) it up and hope for the best keep my eye out for those donut gaskets.
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