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Post by 80sbiker on Jun 14, 2024 16:50:34 GMT 1
OK, my RD250F and RD350LC both have new batteries on, have to syphon out the old fuel in the tanks and then ready to attempt to start them.
What checks should I do first?
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Post by shaunthe2nd on Jun 14, 2024 23:58:19 GMT 1
Depends how long they been stood and what condition they in.
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Post by shaunthe2nd on Jun 15, 2024 0:03:17 GMT 1
Sorry just seen thread title, 18 years wow. Id be changing all oils, new fuel, new plugs, new air filter, check compression, check oil pump is clear. Id probabky start using a temp tank with premix just in case.
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Post by shaunthe2nd on Jun 15, 2024 0:07:08 GMT 1
Id prob take head off too to take a look inside, and change the coolant too. Lubricate the rings and barrels whilst you at it.
Check tire pressures too lol
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Post by 80sbiker on Jun 15, 2024 0:09:04 GMT 1
How do I check the oil pumps?
The engines were in good working order before being stored, the 350 had a recent Stan Stephens rebuild before storage though I did notice an oil leak on the side stand side a while back, looked like 2 stroke oil.
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Post by shaunthe2nd on Jun 15, 2024 0:19:02 GMT 1
Drain and dump the old 18 yo 2 stroke oil. You also need to drain the tubes from pump to carbs.
Worth getting a haynes manual as describes how to bleed the pump properly, but you need to run engine to do this hence my suggestion the start up runs with pre mix in a temp tank to give yourself chance to bleed the oil pump.
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Post by 4l04ever on Jun 15, 2024 14:03:29 GMT 1
Maybe a leak down test to check the crank seals are still ok.
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Post by 80sbiker on Jun 15, 2024 15:39:46 GMT 1
This is all good advice thanks, how do I do a leak down test.
I have a Haynes manual for both bikes.
Looking forward to getting them both running again.
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