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Thought i would share a fix that I came across. I was working on a 99 scambler 500, The customer complaint was that even with the fuel shut off the tank would slowly drain out onto the ground. First I found the fuel shut off was bad/ leaking/ dripping so I installed a new one thinking that would fix it. Then I ran it and and seen that the overflow was flowing fuel out from the bowl. So I cleaned the needle and seat and changed the float height to lower the fuel level in the bowl. Well... It still overflowed and flooded. So I bench tested the needle and seat with a pop off tester. I found that these newer style needle and seats just utilize an o-ring to install the brass seat into the carb.
The o-ring for the seat had hardened up allowing fuel into the float bowl from under the seat. New o-ring and problems solved.
just bought a 2000 polaris 325. was told i vould pull start and ride but needed new battery for electric start. so bought new bat and charged it but nothing. while spraying with a hose after a ride it all came on. neutral light cooling fan and then quit. checked those things in the black bag and power at both ends. starter will roll when i jump solenoid. power to the ignition switch jumped that but still nothing. maybe switch for headlight and starter? NEED HELP PLEASE.
By Steve Howard
Ran find shut down the quad next day would start and idle when you try to accelerate it would start popping through the carb got a rebuild kit soaked it in chem clean after break down for 12 hours on slow vibrate reassembled and adjusted per manual still the same thing any help would be really appreciated thanks and happy ridding
By Flipper Tiffany Roper Jones
All I have been through everything. Bought brand new.
Throttle safety switch
Cam and rockers
Fuel safety switch
Everything every forum has spoken of I've bought sealed airbox completely tight unplugged black wire on trans. I have literally done everything in the book.Checked oil today full of gas anyone no anything what might b wrong. Next I'm taking head off and making sure valves seat any ideas.
By mike costa
Motor starts right up, but when I open it up past quarter throttle it bogs way down while ridding, the longer it runs the worse it gets. If I just leave it in neutral and give it full throttle it revs up and down.
Bike sat for 3 years,
Installed new plug, cleaned the fuel tank, took it to a shop and had the carburetor gone though.
Picked up from shop, motor bogged down first day and barely got me back to the truck an 1 mph.
Took back to shop after a month I was told it had a bad plug, I told him I just replaced it.
Got quad home and it is doing the same thing!!!!!!!!!
Thanks in advance for your support!
The carburetor has recently been gone through by a shop
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By Scott Matthews
Just picked up a 1989 Big Bear 350 for $250 CAD. Bike was running but lost crank and spark. They've installed a new coil, a couple relays, and installed a Ford starter solenoid in place of the original. Now it cranks but has no spark so they sold it to me. Does anyone have a wiring diagram for this bike so I can test some wiring. Also any ideas as to direction to head would be nice. Lots of things have been hacked together so I know it probably wont be to easy. The ignition switch was replaced with a toggle switch, I already mentioned the Ford solenoid which 1 of the small wires was not re-installed, and a diode or something was removed from the oil temp sensor wire. I'm sure I will find more so a diagram would be amazing.
I have a 1998 Big bear 350...the tail pipe/spark arrestor is broke in the exhaust....how can I get it out to replace it? And what's the best way to get the new one in?
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