Quote:
Originally Posted by RichLockyer
10w30 is too light... especially for an air-cooled bike, unless you live in Nunavut... and even then, it really should be an MC-specific 5w30 (pretty much impossible to find in the US).
The fact that it's still smoking means that the problem isn't fixed... it's just slowed down with the heavier oil. The 10w30 that was in there, depending on how long, has probably sheared down to a 15-20wt. The smoking will worsen as the 20w50 shears down. Be sure to keep an eye on the plugs for oil fouling.
How many miles are on the bike? Has it ever been stored for an extended period (especially outdoors), and if so, what procedure was used to restart it? If it was stored and moisture in the air formed rust on the sleeves, if it was just kicked over with the starter, it could have a broken ring. Proper restoration if the engine shows any resistance to turning over by hand would be to remove the plugs, soak the cylinders in PB Blaster, then GENTLY rock the pistons loose.
High mileage? Could be valve guides, or the rings simply may be shot.
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I bought the bike used 2 years ago. It was pieced together, so the 22,000 miles on the odometer is probably not from this bike. I sold it to someone a year ago that rode it daily, until 2 weeks ago. He didn't want it anymore and I bought it back. It has been out of my hands for the first 27 years, in my hands for one year, out for the year after that and now back in my hands again. I could not believe what the guy I sold it to told me about the Sea Foam and the oil, so I asked his "carb guy" and he confirmed it. WOW !!! I run Mobil 1 full syn 15w50 in my V Star and my xs 1100, and swear by it...... Anyway, It has not been stored, at least not for the past 2 years I have known about it. It's been a daily rider. I will do a bleed down / comp test and see what that tells me. Any tips on the bleed down unique to this engine?
Thanks for all the help !!!
Martin