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Getting 250 topend rebuilt

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Old Mar 20, 2007 | 03:56 PM
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polarisfreedom250's Avatar
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Default Getting 250 topend rebuilt

Hey everyone i just have a few questions for when i get my cylinder and head back. I was wondering after i clean out the crank case should i pour oil in there or will it just be oiled from when i mix oil in the gas? Also i pulled the engine and tranny out because i cleaned everything while i was waiting for my parts so when i put it back together do i have to align the clutches? if so how? Thanks in advance. BTW its a 02 trailblazer 250.
 
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Old Mar 20, 2007 | 06:30 PM
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Default Getting 250 topend rebuilt

i have re-built my wifes 99 trailblazer twice, man my drunk buddys are hard on it she dont even ride it out of the yard...anyways i always add a cup of 2-stroke to the crank case and lube the cylinder wall good..dont know what to tell ya bout the clutch alignment
 
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Old Mar 20, 2007 | 07:00 PM
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Default Getting 250 topend rebuilt

now with the clutch alightment u need a special tool and it is a goood idea to realighen the clutchs becuase if u dont ur will burn belts and hear a squealing
 
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Old Mar 20, 2007 | 08:34 PM
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Default Getting 250 topend rebuilt

they do have a specail lube you can use when reassembling the engine. i wouldnt put too much oil in there. it only takes a thin coating. you may want to run premix/with the oil injection for the first take to help make sure everything seats good. just my .02
 
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Old Mar 20, 2007 | 08:47 PM
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Default Getting 250 topend rebuilt

i had polaris tech tell me that pre-mixing and oil injection together was not very good , and even sugested that was why mine was overheating at one time.... just what i was told , seems like extra lube should be a good thing .. most definatly put some oil in the crank case , prime your pump i buid car engines for a liveing and i ALWAYS roll it over with no spark or fuel to lube everything good before starting....
 
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Old Mar 20, 2007 | 10:33 PM
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Default Getting 250 topend rebuilt

I forgot to mention im also getting the oil injection block off so that is why i was wondering how i should go about the oil in the crankcase. Also what kind of mixture should i run when i mix the oil and gas? Thanks
 
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Old Mar 21, 2007 | 04:12 AM
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Default Getting 250 topend rebuilt

Just coat all the parts and cylinder walls with 2 stroke oil as you assemble it. You can use a clean parts brush to brush it into bearings as well, but don't pour oil into the crankcase. Make sure your hands and all the parts are clean and use fresh 2 stroke oil. Premix a little heavy for the first couple of tanks and you should be good to go.
 
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Old Mar 21, 2007 | 03:56 PM
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Default Getting 250 topend rebuilt

Alright thanks. Does anyone know a good mix i should run when premixing? Thanks again.
 
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Old Mar 21, 2007 | 04:40 PM
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Default Getting 250 topend rebuilt

With the engine work that RCR did for me, Rick Ritter has me running 32:1. With a good quality oil. Doc
 
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Old Mar 21, 2007 | 04:56 PM
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Default Getting 250 topend rebuilt

i mi self dont have to premix...but was wournding what u mean by 32:1 and like what kinda oil would u use???.....jw case mi budy ever has to do this i could tell him i think hes gonna be getting the oil block of dun to his tb....jw
 
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