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I have a gentleman that asked me to service his bayou for him. I have always wondered what oil should be used in atv engines? Pros? Cons? What weight should be used in what type of weather? Is there one kind that I could bulk buy and safely used in any quad I worked on or owned? What about performance? Engine Life? This has always been a 🤔🤔🤔 area for me with quads as far as why you would use one type of oil over another....
After looking at the wire diagram I saw the blue w/black stripe wire is coming from the neutral and reverse lights looking for ground thru the neutral and reverse switches. If it finds ground, the lights come on. The same wire also comes from the neutral relay looking for ground at the same neutral and reverse switches. So it was easy to trick the relay into thinking the engine is in neutral all the time without having the light on all the time. Just cut the blue w/black wire at the relay and ground it. Easy
Sorry the pics aren't better
Now it starts in any gear and indicator lights work as they should.
I've been riding Suzuki Kingquad 300's for the last 20 years. I have 3 of them. I love the low gearing, low center of gravity, low rider position, low racks shaft drive and smooth ride, but they are getting old and I'm tired of fixing them. Best engineering of any utility quad, IMO, but the execution...build quality is not up to par with Honda, so the price you pay is lots of wrenching.
I positively despise CVT type belt drives. My neighbor has a couple of old Hondas, Rancher and Rubicon and I admire the reliability of them. He does very little maintenance and they always run and have pulled my Kingquads home for me when they break.
Is Honda the only company that makes ATV's that don't have CVT? I like the build quality but I don't like the high rider position caused by the vertical cylinder, the cold nature of them, having to warm up for several minutes and the plastic skid plates. I guess all modern ATV's have the same issues, though (correct me if I'm wrong).
Been checking with the dealers, it seems Honda foot shift models are scarce. I really don't need devices/gadgets to decide which gear I need to be in. So I'm avoiding the DCT models. I must have IRS and EPS because of my age and physical condition though.
Is it possible to get a Rancher with IRS, EPS and foot shift? The specs I'm reading show the rancher is 2" lower than the Rubicon. I'm assuming that to be seat height. With vertical cylinder design, the more you grow the engine, the higher you push the seat....at least that's my thinking.
Any comments from the Honda experienced?
I was reading another forum recently about fuel leaks and possibility of fire happening. Reminded me of an incident I had a few years ago while working at a Can Am dealership. The quad was a stolen & recovered Outlander 650 that had been tampered with. These quads have an electronic safety system, similar to their DESS system on the sleds. You cannot bypass the key switch and get spark without a computer with factory software. Anyway, I was trying to determine what was damaged since the thief had attempted to hot wire various electronic parts. I got all the extra wires removed and things looked back to stock. Pulled the spark plugs and was going to check for ignition and if the starter still worked. Well, they both worked alright and guess what - the cylinder was flooded with fuel! Instant flames with gas spraying all over...great!! I managed to use my hands to put out the fire, good thing I had on gloves (but choked they were ruined of course, haha). Seems it's possible to flood an engine with efi when you put power straight to the injectors, doh! As in much of life, you cannot take things for granted (I'd only seen carbs flood like that). And even though it had spark, the quad still needed a new ECM to run - that part alone was $1200. So lets hear your stories, crazy stuff happens every day I'm sure.
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
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By Brad Leeson
What's going on party people? First, thank you for allowing me the opportunity to be here. I recently purchased a 2005 yrs 450 and have yet to run the bike at full throttle. The bike fires up, idles, seems like everything runs fine except a little popping when you let off the throttle or until you hit 5th gear. It runs strong; no bogging or sluggishness until you hit 4th gear and open it up. Then it begins to act like it's out of gas or the about to be out. I can pull over and sit for 5-10 min and it runs strong again until you open the throttle. I have the carb off the bike to clean and wrote down a list of factory and what I found installed. I also listed other key factors and hope someone can help and explain. I'm new to the scene and have no prior mechanical experience but my theory is worst case scenario I have to take it to the shop anyway so why not learn. I actually enjoy it. Lol. Thanks a million. Hope to get back on the trails soon.
By Paul Maple
I have a 1999 Sportsman 500, it was running fine, than started to lose power in the winter, I adjusted the idle screw and away I went, than a few weeks ago it died, I have found that i am flooding the engine, compression was at 70PSI and due to the compression release mech. i assume i am good as it compared to the same PSI on a 2000 sportsman 500 i have. i cannot start the atv unless i go full throttle and it starts an runs for about 30 sec than dies, again it is flooded. i ordered a new carb off ebay as i could get one for around $40. put that in same issue, i have checked the timing, (good), valves out of adjustment i adjusted to .006 still same issue, i have found the exhaust lobe and rocker arm to have some wear, i have ordered new ones, but am looking for any other input in this area as well. would the exhaust cam and rocker arm cause the engine to flood? i have used a bore scope and the piston liner has good cross hatching still? any input would be great.
By Resurgence Small Engine Inc.
This past spring, Jonathan worked on a 1991 QuadRunner 250 that came with the fuel pump removed. We didn't find good information about connecting it online, so we made a video.
Below is the link to watch Jonathan describe the connections on the Suzuki fuel pump. This applies to both the Quadrunner and King Quad ATV models.
Hope you find it informative!
Resurgence Small Engine Inc.
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