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Old 01-01-2012, 02:06 PM   #1 (permalink)
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85 trx250 fourtrax oil change

I have a 1985 honda trx250 fourtrax thats pretty rough and has been sitting for 2 years, theres no gas in it, but what all should i do before i attempt to start it.?
- oil change (these are 4-stroke right?)
-and how much oil do they take(lost original dipstick)?
-do i change transmission fluid?
-also the front end seems real loose, how could i fix that?
-also whats the front and rear bolt pattern on this?

thanks!!
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Old 01-01-2012, 02:23 PM   #2 (permalink)
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Welcome to the forums. Yes, it's a 4-stoke. It holds about 2.2 quarts and make sure you use oil that's safe for wet clutch applications. Most automotive oils contain friction modifiers that will cause the clutch to start slipping. Also, when you change the oil filter, make sure you don't put it in backwards or it will block the oil flow and damage the engine. And no, there's no transmission fluid to change. On that model, the engine oil also lubricates the transmission.

Bolt pattern for the front and rear both, is 4/110.

On the front end being loose, it could be a few things. It could be bad wheel bearings, worn king pins, or worn j-arm bushings or a combination of all of those.
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Most 4-wheeler problems are caused by a loose nut connecting the handlebars and the seat!!

You only need two tools in life -- WD-40 and duct tape. If it doesn't move and should, use the WD-40. If it shouldn't move and does, use the duct tape.
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Old 01-01-2012, 02:25 PM   #3 (permalink)
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And if it's been sitting for 2 years, you will more than likely, have to take the carb off and clean it good. Also, I would rinse the tank out good.
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Most 4-wheeler problems are caused by a loose nut connecting the handlebars and the seat!!

You only need two tools in life -- WD-40 and duct tape. If it doesn't move and should, use the WD-40. If it shouldn't move and does, use the duct tape.
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Old 01-01-2012, 02:35 PM   #4 (permalink)
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Thanks! How do I rinse the tank out though? And at the local gas station, there's ams oil for 4 stroke atvs, will that work? Also is 2.2 quarts the max it holds?
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Old 01-01-2012, 02:39 PM   #5 (permalink)
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I would take the tank off and put a small amount of gas in it and slosh it around and pour it out the top of the tank. I would repeat until it comes out clean.

I don't know anything about the AMS oil, but if it says it's for 4-stroke ATVs, it should be fine. And yes, 2.2 quarts is the max it holds.
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Most 4-wheeler problems are caused by a loose nut connecting the handlebars and the seat!!

You only need two tools in life -- WD-40 and duct tape. If it doesn't move and should, use the WD-40. If it shouldn't move and does, use the duct tape.
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