Honda Pioneer 500 & 1000 Service Manual link
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By DaveswMN
Pulled my '86 Moto4 out of shed where it sat for 20 years. I knew it smoked. checked it over a little put in gas and it fired right up!!
Drove about 100 yards, ran about half throttle wouldn't idle. Put on somenew parts, jug/piston and rings, carb and valve seals.
'went together ok, tuned it over by hand about 6 revs whick went well. Hit the starter it fired for about 6 revs and quit. tried it again fired once and then th sound of something slipping like maybe chain slipping over spoket.
Took cover off to watch cam sproket, hit starter again, heard same noise and the cam sproket was not turning but jumping a bit. Chain was still tight. You will probably tell me I need to split the lower case but hoping there mightbe something else.
I don't fully understand the chain tightener, the plunger only moves about 1/4 inch, should it move much more than that when off the motor and compressing it by hand?
Thanks for any thoughts.
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By 86096
I have a 1985 Suzuki LT230 GE quadrunner. It has been stored in a shed for at least the last 15 years and has very low mileage. Although the tires look and feel great... should I consider changing them since they are 38 years old? I don't intend to ride to far or too fast but I don't want to have to walk out of the bush. Any input would be welcome.
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By Jd101506
Hi all!
I've got a 1988 LT4WD that I am working on. It sat for almost two decades in a shed, so I replaced both the carb and the fuel pump (Pump was rusty, carb was ok, but had a pin hole in the bowl itself?). Now, I went el cheapo and I replaced BOTH with Chinese aftermarket Carb and Fuel pump. Now is where it gets confusing:
So I did this SAME thing on my other Quad, a 1988 LT300E. They take the same PN carb, and a similar fuel pump, (One has a 90 degree bend in the vacuum port). I've been battling the four wheeler a bit with some electrical issues, but I noticed that at idle it runs GREAT when I gravity feed fuel from a burp can into the fuel bowl of the carb... But as soon as I put it on the fuel pump from the tank, it idles EXTREMELY low and smokes a little. To me, this indicated that the carb itself was running rich. I adjusted it a little on the LT300e, but I could never seem to get it right, it still will slowly die at idle when warm, but ironically if I CHOKE the motor, it'll start up and run. I dont know if this is because the RPM increases? But the quad will run around the yard great at RPM and then die at idle.
Now, the LT4WD. I ended up with a faulty fuel pump for my second (I think the spring isn't seated inside as I can hear one rattling around) so when I installed it it WOULD NOT pump fuel. So I ended up swapping the LT300 pump onto the LT4WD. Boom, pumps fuel. I put it all back together and got my tires on. I ran it around my yard and it exhibits the SAME symptoms as the LT300e! It will run around at RPM, but it will not stay running at idle, it drops realllllly low RPM and will start smoking a little as if its running rich. Again, when I ran it with the fuel pump OFF I didn't have this issue.
In my head I'm thinking it would be a mixture screw OR float issue... But the mixture screw doesn't seem to help me on either, and the bowls are not over flowing (I checked both overflow lines). Is there something I'm missing here thats obvious? Is there a vacuum line or something I missed? Maybe some configuration or something I missed? I reviewed the manual and nothing stood out to me.
Conclusion: Two different Suzuki fourwheelers, two different carbs (Both are chinese Ebay carbs) that BOTH run well when I mainline fuel from a drip can INTO the bowls, BOTH do not keep idle and seem to run extremely rich as they run great at RPM but slowly die at idle. Adjustment screws, idle screws be damned.
I ended up ordering a new Suzuki OEM fuel pump for ~90$ just to have it and see if it makes a difference. Any advice here though would be SUPER appreciated!
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By 8AV8
I just purchased a 2004 Polaris Sportsman 700 EFI. While riding today I noticed the throttle lever
was getting hot, not just warm but too hot to touch. I’ve never encountered a problem like this before.
I have a service annual ordered but it won’t be here for a few days.
Any help would be greatly appreciated.
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By Jaiidutch
ok so ill try and make this as short as i can i really hope someone here can help me figure this out...
bought a 2001 Mojave 250 from some one not running.. was running till ??somthing?? happend. was told before it stopped running it had a timing chain slap sound so the chain was replaced.
got the quad home and did a compression test results were 0psi...lol decided to break the engine down n see whats going on. found a brand new timing chain installed and yet 2 valves pushed into the head..so i ordered a top end gasket set and all new valves and lapped them in. while the head was off i did a broke man leak down and filled the cylinder with thin oil and let it sit for a few days and none of it leaked so i assume the rings are good. reinstalled the head with new head gasket and valves. re did a compression test and I'm seeing 80psi(i don't really trust my cheap tester). I kick start the quad over and it will run for about 10 seconds and then die. I'm getting good blue spark. cleaned the carb and tried again... i can kick 10 times and it will only start for 10 seconds or so. swapped my carb, throttle cable & thumb throttle from my 87 Honda 250x to the Mojave and same result 10 seconds... had a friend bring over a known good working Mojave carb and you guessed it same results 10 seconds. even swapped to a back up stator that i have and same thing... what in the world is going on! i dont know what els to try
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