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Old 02-26-2011, 06:34 PM   #1
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Default OS Max engine question

my rear seal is leaking behind the flywheel dumping fuel out and making a mess, I have the head off, carb, front engine cover, my question is how in the heck do you get the connecting rod off the crank to be able to get the rod and piston out of the cyl to be able to get the crank out of the block??

replacement seal from a-main or lhs??
thanks
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Old 02-26-2011, 06:49 PM   #2
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You need to pull the sleeve out. Once you do that, you can remove the rod from the crank and pull it out with the piston. Sometimes it's difficult to pull the sleeve out. I keep the flywheel on the crank and put the piston at bottom dead center. Insert a zip tie through the exhaust port which would stick out of the tope of the sleeve. Turn the flywheel so the piston pushes on the zip tie in return lifts the sleeve out of the case. Sometimes the zip ties will break.

Hope that helps.

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Old 02-26-2011, 07:02 PM   #3
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Quote:
Originally Posted by jeff14346 View Post
my rear seal is leaking behind the flywheel dumping fuel out and making a mess, I have the head off, carb, front engine cover, my question is how in the heck do you get the connecting rod off the crank to be able to get the rod and piston out of the cyl to be able to get the crank out of the block??

replacement seal from a-main or lhs??
thanks
how much fuel on your motor? and what kind temps is it running? i mean if it to fat it going to leak the fuel got go some where

also you got take the sleave out first then use a peice of dental flos and pull the rod pop off
is the bearing is bad you got replace not the seal i bet not lean enought
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Old 02-27-2011, 07:15 AM   #4
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pre heat the head just like you would do on start up, and the sleeve will come out easier..
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Old 02-28-2011, 07:25 PM   #5
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thanks for all the tips, motor totaly disassemled
yes it was probably on the rich side, still learning how to tune nitro
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