Massimo 700 Oil drain bolt
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By Jon V
Good afternoon. When the timing chain came off its lower gear (previous owner had over-tightened the tensioner), I ordered new parts.. chain, oil-pump chain, tensioner etc.. But now that it's time to put it back together, the main crankshaft makes a clang noise and stops when you turn it by hand. I want to solve this before assembling everything. The camshaft cover is off so that the valves aren't being activated. Should the transmission be in neutral to turn the crankshaft? The engine was running fine until the chain came off the lower gear. Then it would spin when the starter motor engaged so I assumed the crankshaft was spinning. Any advice is appreciated.
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By Wesley
I have a 2022 500 Hisun product, I have had them in the past. I change my oil myself and trying to drain through the hole where I remove the plug is a mess. How does everyone keep the belly pan clean during the oil and filter service?
Wes Jackson
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By amiracle40995
I've never seen the temperature go high on this thing. the fan runs almost all the time even though the sensor is reading at the very bottom of it's range. ive taken the cylinder head off. (nothing definitive but maybe a little fuel on top of piston with oil in it.i don't think this has anything to do with my problem )head gasket is 3 layers deep and I noticed some grit that might have been in between layers but nothing to say the head gasket wasn't intact. black carbon build up on piston. I've looked all over the head for cracks from over heating. I'm about to look again for hairline cracks that are extremely difficult to see. my buddy helping me said to order rings in case they are letting oil pass thru he also said get a new head gasket.. I'm looking at water in oil first and I'm not ordering rings. I haven't checked the oil cooler to see if it's defective yet. I'm just hoping someone had a similar problem. my only problem so far has been having to change the spark plug every 100 miles with 93 octane run thru it.
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By Bobby Courtney
I have a 2021 Coleman 400utv with 60 miles on it. I bought as project. It’s idled ruff and fouled plugs since it was new. I have removed and cleaned throttle body new injector new idle air valve new oxygen sensor. Installed ngk iridium plug. Starts and run good for about 5 or 6 miles and fouls plug. It runs rich all the time. I’ve done reset on ecu. I’m about to think it’s time to try a new ecu. Anyone please help.
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By Red Good
Serial # a8mv86futja001002 , no search engine will give me a model , it has a 471 engine . Is massimo always hard to get hold of ? No answer to emails or phone calls ?
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