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I picked up my first ever ATV on friday. It's an 89 Big Bear. It has some cosmetic issues, but seems pretty decent mechanically. I did have trouble getting the idle tuned to the book spec of 1,300 - 1,500 RPM. I took the carb apart and cleaned it out. Somebody must have lost the spring for the pilot screw, as it's no longer in the carb. Also, I have a dual cable carb, I noticed all the IPL's show the single cable carb, but I see others on youtube had dual cable carbs. When I would adjust my idle speed screw, nothing would happen. I bottomed it out and it didn't seem to make much if any difference. When i pulled the carb apart I saw the screw doesn't even touch the linkage, it's too short. Do the two different versions have different length carb screws? I'm wondering if somebody lost the ordinal, replaced it with the IPL number for a single cable carb which is shorter, and gave up on getting the ATV to idle. If you hold the throttle just a bit to get it to the RPM range listed above, it "idles" great. Any ideas? Or any links to the dual cable IPL?
Have you guys have good luck with the aftermarket intake boots? Or is this a buy once, cry once deal? I'm guessing the OEM units last longer, but there is a huge price difference. If you have had good luck with aftermarket, where did you get it? My current boot doesn't seem to have any air leaks, but it's encased in JB weld...
I'm getting a 9th digit check sum error on the ATV when I put the VIN in. Has anybody seen this before on a Yamaha? The VIN number looks original as well as the paint around it.
By Steven Workman
So I have a Honda Fourtrax 300 year 1988. The ignition doesn’t start it with no sound. The headlights won’t turn on. It has a brand new charged battery, fuses are good, oil is good, gas is good, reverse is rusted, it shifts good, won’t jumpstart but when you try it will turn over, it will start if you jump the solenoid give it gas and spray starter fluid on the breather but it won’t stay on long but will stay on for the little time it does by itself. I don’t know what’s wrong and I need help!
So I bought a 2001 Quad Runner 250 for my son/wife. Sorry I run a Grizzly 660.
I’ve rode it many times with no issue.
My son’s first time out, I could always hear him but feeling he ran it red line in first gear a lot.
So this is what it was doing during/end of the 2-3 hour ride:
- halfway though noticed smoke (oil) coming from front of the motor sort of under exhaust manifold. Once back at the truck, it was really noticeable. Definitely oil burning off. I’m thinking from the top end maybe.
So quick inspection:
- No leaks or seepage of oil that I could see
- I pulled the plug and it’s black but not wet
- No blue/white smoke in exhaust
- seems to still ride fine
- Engine still has plenty of oil
But now that I’m looking at it back at the house - it’s a hard/won’t start when hot. It starts right up cold no problem but once it stalls when hot, have to let it sit for 10-15 before it will start again.
It wasn’t idling before that trip so I jacked up the idle a bit as well but I think that’s a carb clean/adjustment but...
Any input is appreciated.
Thanks for any help.
Sent from my iPhone using Tapatalk
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I own a 2002 Can-Am Quest 650.
It will start if you massage the throttle a bit and it will continue to run. BUT if you let go of the throttle and try to let it idle it will always die warm or cold.
It has Non-Oxy premium gas, a new gapped NGK plug, a new carb (as of today) and fresh fluids. After installing the new carb it runs exactly the same.
I only have a few things that I have observed since the new carb:
The choke still doesn't do anything. It has a good cable and it is hooked up. It on fully off. There is a cable in the top, front of the engine that splits into two connectors. The connected side is in the photo. The other side has the yellow banded section and is not connected. I do not see anything in range of this connector so I don't know if this is normal or not??? The original carb wasn't really dirty or clogged. I'll use it as a spare. I don't see this cable and connectors listed in the Can-Am shop manual. Looking for some help. I want to ride!
:confused:need a repair manual or help in what to look for thank you Bill
for you muddober to make clear to you the neutral light and the gear light
do not light up win shifting fuses are good Iuse my CAt for hunting im dissable the atv is my leag s thank you
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