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By Prepper
I'm working with a 2015 MSU-500. Basic symptoms are it cranks well, but will not fire. It has spark, and it has fuel spraying out of the injector (and spraying starting fluid into the throttle body and plug hole makes no difference). It has compression. I bought it not running, and no other information was available. It has 775 miles on it and 127 hours. It looks to be in very good shape. Previous owner replaced fuel pump, ECU, coil, plug, and the fuse/relay box that mounts on the firewall, then gave up.
My questions relate to cam/valve timing, considering the symptoms and diagnostics so far. My thinking was the woodruff key sheared off and the crank spun, making it out of time. My question is, by the pictures attached does anyone have an opinion as to the cam/valve timing being correct? In the crankshaft picture you can see a timing mark visible. In the camshaft picture I have arrows directed towards what I think are timing marks (which appear to be exactly 180 degrees from one another). However, the long arrow in what appears to be bolt configuration in line with the piston/rod line. Here is a puzzling note... in the position you see in the pictures... I have valve lash on both the intake and exhaust. I think it's at TDC, given the visible crank timing mark and valve lash on both valves.
Any thoughts ? Does this appear to be in proper valve time ? Have I missed anything simple ? Thanks in advance for your input.
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By CYJSP2009
Dear Joyner owners
Any one who is looking for below Joyner parts please send email to casey from Leaf Asia ( please send to [email protected] and cc to casey2leafasia.biz & [email protected])
Currently, we have supply below parts:
1. cv axles, cv rebuild kits, cv boots
2. Differentials and differential ring and pinion set
3. Cables,
4. Brake parts
5. Engine parts
6. Other parts.
We will provide better price, close follow up ...
We can arrange productioni for parts that we can collect demands from customers
Have a good weekend
Casey / Leaf Asia
2023-11-17
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By Homeowner A
I've been having misfire issues with my UTV 400 when it gets warm and I've thrown all kinds of parts at it so far with no permanent resolution. Today I removed the O2 sensor and it is black on the end. To me that means it's running rich and/or the sensor isn't working. I replaced the sensor with a new one and will see how it goes I guess. With EFI, I'm wondering why the sensor would be this way with low hours and mileage? Is there a way to adjust or lean out fueling on these? Thanks in advance.
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By rdborra
I had to remove the relay for the dump bed due to it popping the fuse for main key power. I have tried to find a short but nothing seems to out of normal. I also disconnected the dump motor and switch and still pops the fuse. Also, when the machine is warmed up i get about 5 to 10 of work out of before it stalls. Once I can get it to start again I have to use the choke to keep it running.
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By CYJSP2009
Dear Friends,
2022 Brand new Joyner CV Axles and CV Joint rebuild kits are comming
1. S650.03.02.02.00 ---Joyner 650 Commando Rear
2. TR1100.03.01.03.00 --- Joyner Trooper Front
3. TR1100.03.02.03.00 --- Joyner Trooper Rear
4. D650.03.02.02.00 --- Joyner 650 Sand Spider Rear Left
5. D650.03.02.03.00--- Joyner 650 Sand Spider Rear Right
6. SV800.03.02.01.00 --- Joyner 800 Viper, SV1100 Drive shaft Left
7. 14274 --- 650 ider rear left, rear right, 800 MV; 800Viper, SV1100 Drive shaft rear left and rear right outer cv joint rebuild kit
8. 15803 --- 650 Sand Spider rear left, rear right, 800 MV; 800Viper, SV1100 Drive shaft rear left and rear right outer cv joint rebuild kit
Attached are the part photos for reference.
Above parts are now on the way to USA, will be ready for inland delivery in middle of July.
Price: CV Axle: USD250/ Piece; CV Joint kit （without grease): USD110 send to door.
There will be special discount availabe for deals completed within July 2022.
Buy 1 piece: Get 5% discount,
Buy 2 pieces: get 10% discount.
Buy 3 pieces: get 15% discount,
Buy 4 and more than 4 pieces: get 20% discount.
Please kindly note Qty for each part is not big and it is hard to forcast when there will be next offer for these kind of products unless there is sufficient confirmed order qty for productioin arrangement.
Payment method: Payoneer payment link ( can pay through bank account or credit card) or Paypal ( [email protected]) . Payment commission paid by the buyer.
Interested parties, please contact [email protected].
Thanks
Good Luck
Casey / Leaf Asia
July-07-2022
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