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Message started by gerald.hughes on 02/06/09 at 17:44:20

Title: Oil Usage
Post by gerald.hughes on 02/06/09 at 17:44:20

I have been running my bike quite a bit in the 65-75 range lately, and I have noticed that the bike has started using oil. (In the last approximately 2000 miles, I have had to add about a half a quart.) There is no oil on the ground, and no blue smoke coming from the tail pipe that I can see. More importantly, my mileage has not gone down significantly. I am 300 pounds, and usually get 50-55 mpg. (Serowbot tells me that he regularly gets 60, but I am twice his size, so I am happy.) Lately, it has been closer to 50 than 55.

My question is this, "Is this normal oil consumption for an air cooled single running in this speed range?" I am especially interested in hearing from those of you who regularly commute at the 65-75 speed range.

Thanks.

Title: Re: Oil Usage
Post by Digger on 02/06/09 at 21:01:45

Hi Gerald,

Mine (see signature) burns no oil that I can tell, but I rarely ride it faster than 65 mph.

However, I wouldn't worry about burning a quart every 4000 miles if I were you.

Ride safe!

Title: Re: Oil Usage
Post by justin_o_guy2 on 02/07/09 at 00:51:57

Mine leaks a bit at the clutch arm thru the case, but not bad. So, I am always losing some, But, it starts using oil once I get around 2,000 miles or so on it. Change oil & it slows considerably.

Title: Re: Oil Usage
Post by Oldfeller on 02/07/09 at 01:54:15

Mine used no oil until I went to the mountains on it and flogged it some. Now it uses a half quart between changes. Very mild rubber cap seal leak at the head, really sort of intermittent. Not enough coming out of the engine that way to account for the oil added periodically.

I have noted Justin's point -- get some age on it and the oil acts more mobile and exits the engine "more".

Having seen several scuffed piston pics from high mileage tear downs, I am beginning to think I have a very mild case of piston scuffitus with the accompanying freeziusoilringius.

Title: Re: Oil Usage
Post by thumperclone on 02/08/09 at 11:08:01

my 06 uses more at highway speeds than round town, never more than half a quart between oil changes..13k on the od