What motor oil and weight to use?
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By Cory J
Belt started slipping when I used it in high gear. It works okay in low unless I'm trying to power it up a hill and then it slips.., Ordered a new belt and went to change it and found a good bit of oil in the belt housing. Has anyone experienced this? Belt looks fine. Only have 300 miles on this thing..
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By hisun junk
As I tried to do a conversion with the Yamaha 660 motor, I realized the 660 was never fuel injected so it would not work for the fuel injected hisun motor swap. But the good thing is the hisun 750 motor is a clone of the 660 Yamaha but with the components for the fuel injection (cam/crank position sensor). So that left me with a new rebuilt Yamaha 660 and still a broke 750 hisun motor. I took apart 750 think the timing chain had broke from all that I've heard about these motors. The chain was not broke, but just off cam and crank gears! The chain tensioner was at fault! I've ordered Yamaha 660 replacement parts, chain, two exhaust valves (which got bent when chain came off while motor was spinning) and seals. The piston has 2 little nicks where it had hit valves but no damage otherwise. The head is being redone at the machine shop and I'll be putting it back together in the next couple of weeks. Also I finally tracked down a Service Manual with all the info on the 550/750 Challenger.
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By Kingfish
The conversion took about 350lbs. off the vehicle. It never rode great, but now I feel every crack in the road. I have backed off spring compression nut to the point just under where they would move around if suspension was at full extension, but it is still very stiff. I would like to put some softer coilover springs on it, but I have no idea what the spring rate is with the original springs so I would just be guessing on what to order. Does anyone have the data for the original spring compression rate? I am willing to give up a little ground clearance for a softer ride. Right now when sitting still the rear suspension is at or near full extension and the rear tires have several degrees of camber which will cause uneven wear if allowed to continue in this state.
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By Charles Hamilton
**Disclaimer: Yes, I know Polaris and Kawasaki are SOOO much more better, reliable, retain their value, not made in China, etc. I need a UTV and don't have the money or financing for one of those units, so let's keep this discussion productive please**
Hi all, learning about my new T-Boss 760 from TSC, and am trying to find the actual dip stick to check the oil, funnily enough.
Does anyone have a picture of it or something? It's crazy that I can't find it...yet here I am.
Also - any advice on oil? Manual says 15W/40 "SJ" but I'm told the SJ spec doesn't exist anymore.
Gentleman at TSC said to use any 15W/40, but I'm very nervous about causing an issue this early on by using the wrong oil.
Anyone have advice?
Thanks!
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