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12/12/2014 2:50 am
Hello, Just wondering if there is anything I should do, or watchout for when starting a freshly rebuilt 48 chief engine, what weight oil ? how long should I let it run on the initial start up ? How soon after initial start up should the oil be changed? etc., Thanks for your help, Bob Smock
Topic starter
12/12/2014 2:51 am
depending on wether you primed the oil pump or not. i would pour about 4 ounces of 50 weight oil in the inspection hole on the engine case. replace the inspection plug, i would remove the oil cap and using a oil squirt can fill the return tube with oil. keep the can handy. i would remove the plugs squirt a very little bit of oil in each piston and kick the engine over with the key off no gas, what your doing here is drawing oil to the pump. having done all that replace the spark plugs.
now its time to prime the engine with gas--- key off. choke on kick the bike once and lift the choke lever. kick the engine over again. now turn the key on kick the engine vigorously and if everything electrical is done right the engine should spurt to life.
At this point you should let the bike idle do not rev the engine and check to see if the oil is returning to the oil tank. If the oil is returning you can turn your attention to adjusting the carbs idle. Most of this information is in the rebuild manual. If the oil is not returning to the tank squirt some more oil down into the return tube. Sometimes this works on the first try sometimes it doesn't. If after about a minute or so passes and oil is not returning shut the engine down. However the oil should be returning to the tank since you poured oil into the bottom end filled the return tube and primed the engine. Good luck let us know how it went.
the whole time your in the engine start up mode you should be checking the oil return.
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