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Posted

We went riding this weekend in the sand. When we got back home, I washed the bike off, and drove it back into the garage. It was running great. It set in the garage overnight. The next morning when I went to start it, it didn't start. This is a 1 or 2 kick start bike every time. After messing with it for a while I got it to start but it wouldn't rev at all, and it wouldn't stay running on its own. I could keep it running by giving it 1/4 throttle. Any less or more and it would die. I changed the plugs, and still the same. Any suggestions?

 

Thanks in advance.

 

JW

Posted
I also did a compression test...

 

Third kick was 90 psi, Max at about 10 kicks was 185 psi.

 

Water in the carbs, Wet air filter restricting air flow, wet fly wheel stator pick up, wet coil, cross over tube knocked off???? TORS? Your compresion is fine.

Posted
Water in the carbs, Wet air filter restricting air flow, wet fly wheel stator pick up, wet coil, cross over tube knocked off???? TORS? Your compresion is fine.

 

It ran fine after the wash. I drove it 300 yards to put it up for the night.

 

I tried it with the filter off, still the same.

 

The fly wheel stator had moisture on it when I tore it down, this may be the problem. I'll let you know how it goes when I get it all back together.

 

What exactly is TORS?

 

Does it have something to do with the parking brake? My bike has the brake deleted, so this may also be the problem.

 

By crossover tube, are you talking about the boost bottle?

 

 

Thanks for your help...

 

 

Heres a small video of the fun we had. I'm on the red, white, black shee. The other bikes are a 700r, and 2 honda 450r's

 

 

Posted

the tube he is talking about goes between both carbs where the chocks r at... a small rubber hose.

 

TORS is the Throttle Over Ride System. it controls your morot so if a slide gets stucj open it will casue the bike to cut out.. and yes it is connected to your e break. as long as you removed the botton under the lever your fine.

Posted
the tube he is talking about goes between both carbs where the chocks r at... a small rubber hose.

 

TORS is the Throttle Over Ride System. it controls your morot so if a slide gets stucj open it will casue the bike to cut out.. and yes it is connected to your e break. as long as you removed the botton under the lever your fine.

 

 

Okay, this tube may be the problem. I noticed a burnt rubber hose while washing. I took it off, as I thought it was an overflow.

 

I am running Keihin PWK carbs. Right now I have 6 small rubber hoses connected to the carbs (3 on each). Are you saying that one of these hoses needs to connect the 2 carbs?

 

Here are a few pics of what I am working with. I am pretty sure that the first pic shows 2 vents that should not be connected to anything.

 

sany0063ak6.jpg

 

This next pic shows one that I'm not sure about. I believe it has an internal tube that goes to the top of the bowl. I though this was an overflow also.

 

sany0069lr9.jpg

 

As of right now, all 6 tubes are about 12" long and terminate in open air. Should it be different?

 

Thanks for all the help

Posted (edited)

the crossover is only on stock carbs so yours will not have a hose connecting the two...

 

you say those are PWK, i have never seen a pwk with that top hose like that...also on PWK the idle screw for the carbs are on the other side.... at first i thought that was your fuel line... then i saw it at the bottom... i have no clue what carbs those are. maybe someone else can spot those out. they look like some sor of flat slide carb, but not PWKs

Edited by Bansh-eman
Posted
the crossover is only on stock carbs so yours will not have a hose connecting the two...

 

you say those are PWK, i have never seen a pwk with that top hose like that...also on PWK the idle screw for the carbs are on the other side.... at first i thought that was your fuel line... then i saw it at the bottom... i have no clue what carbs those are. maybe someone else can spot those out. they look like some sor of flat slide carb, but not PWKs

 

 

That's just what I was told they were when I bought it.

 

On the side it has Keihin with G643 AQA7 stamped in the side.

Posted
the crossover is only on stock carbs so yours will not have a hose connecting the two...

 

you say those are PWK, i have never seen a pwk with that top hose like that...also on PWK the idle screw for the carbs are on the other side.... at first i thought that was your fuel line... then i saw it at the bottom... i have no clue what carbs those are. maybe someone else can spot those out. they look like some sor of flat slide carb, but not PWKs

 

 

From Sudco's website they appear to be PWK 28's Website here

Posted
Still doesn't help him out anymore though :blush:

 

 

I'm sure I'll get it figured out tonight...

 

I just need to wrap some things up with work, then I'll go mess with it. I still think it may have been a wet stator pick up. When I tore it down there was moisture in the case.

Posted
I'm sure I'll get it figured out tonight...

 

I just need to wrap some things up with work, then I'll go mess with it. I still think it may have been a wet stator pick up. When I tore it down there was moisture in the case.

 

 

Be sure to check and set all your gaps Including the mag pick-up on the fly wheel.

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