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By Joe Dickerson
I decided to replace the rings and piston on this machine because it looked like the plug was being fouled by oil. When I removed the right side of engine to inspect the clutch pack, I found 2 small round pieces with tiny expansion rings in the bottom cover. It looks like "clutch pawls" according to the illustration, but Id like to be sure. I saw that there are 4 of these in the new gasket set.
Can someone help me here?
I thank you in advance
And the new 300FW is already wounded. Something got in a bind and blew the whole chunk of case out around the primary drive gear at the back of the motor. In the pic you can see the crack along the top...there is a big chunk missing from the bottom. And it won't roll....but the front and rear diffs both seem fine. Unfortunate. This looks to be a bit of a project. Still feels like it will shift through gears so i'm wondering if the ring and pinion just jumped a bit and blew something to pieces. I have a parts bike. But will this require the case to be split and transmission completely disassembled? I assume you can't just slide the broken primary drive out and slide the replacement in?
By Dra O
posted a while back - it was running at one point - I have all the plastic shroud off - it's down to frame and engine now
-fuel pump: when line from petcock is attached, no fuel comes out other side to carb; the line to the carb is open (can blow through it); I thought when I cranked engine that the pump would spit out fuel on other side but it does not; I removed fuel pump and opened it up - diaphragm looks good - but internal areas had lotsa calcification build up - I cleaned this out and dried it good - the clear plastic pieces (?diaphragms) aren't broken - the spring w/ steel ball on end moves freely; am putting it back on tomorrow; but can anyone answer about the pump? isn't it supposed to pump fuel through it... to other side... to carb? puzzling
-along with fuel pump: I replaced petcock 3 weeks ago (gas tank had rusty fuel in bottom - cleaned it out prior to new petcock); when I turn petcock arrow NOT to on or reserve, fuel comes out of line; when I turn it to on or reserve, fuel doesn't come out; puzzling
-I don't know what's on back of fuel pump - it's a valve that has a hose coming out of it - looks like it goes to engine/carb - I haven't traced this out yet - what is it?
-can squirt gas on air filter and engine will run for 2-3 seconds then stop - fuel in top of carb (under diaphragm) does same
-it likely needs carb rebuild - will get to this - but something isn't allowing fuel to get from fuel pump to carb
-I THINK it has a mikuni model x carb - diaphragm is ID 26mm OD 68mm - hard to find inexpensive diaphragm, I guess because it's a model x
-last thing - I replaced solenoid due to old one clicking; I HAVE to be charging the battery or it won't start/turn over - battery just goes dead; but if charging, it'll turn over nicely; i'm guessing it's a bad battery
-any help appreciated - I've never owned an ATV before - inherited this beast from grandparent in-law
I rebuilt the carb on a 1989 350 Big Bear. This is a Gen 1 carb ( 2 cables running to throttle).
Quad starts and runs but I have fuel leaking from the air intake.
Is the float set to high / low?
Does the needle for the main jet need adjusting? I have it on the center groove ( 2 groves above and 2 groves below).
All jets are new, float and needle and seat are new.
Thanks for your help
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By Ellery Zandt
I have no idea where the antifreeze line coming off the thermostat goes too. The carb two nipples in the pic create a vacumme. Can someone help me on this please....!!! my email direct is [email protected]!!!!
By Ellery Zandt
Does anyone have a redcat 250 or falcon 250cc that they can share where the two vacuum lines on the carburetor that you run antifreeze through I honestly have no idea where the lines are suppose to go to circulate the antifreeze.
Any help is greatly appreciated.
By Mike Johnson
Does anyone know what the 3rd item is behind the battery on this ATV ? I know 1 is the, solenoid1 is the CDI box, what is the 3rd.
By Andrew Baker
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By Gary Skriba
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