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New X500 Cold Start

6183 Views 12 Replies 6 Participants Last post by  Dave T
I recently pursched a new X500 and really like it - miles ahead of my old LT160. My only concern is the rough cold start; hardly wants to run at all - lumpy idle, misses, and is just generally unhappy until it warms up. Is this normal for this engine? It seems to be very cold blooded, but I read nothing but good things about these engines.

I'm using high-test gas treated with StarTon and the engine has less that 5 hours on it.

Opinions are welcome. Thanks in advance.

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Im still running the factory oil until it has 8 hours per the owners manual. I plan on running Penzoil 10W-30 full synthetic. It does not get super cold here in the winter and I'll run it every 2 weeks or so during the winter just to keep battery up and not let it sit too long.
Thanks for the information and replies. I managed to get another 1.5 hours on the X500 today so I have another week or so to consider the oil issue. I've seen nearly identical discussions when I had HD and BMW motorcycles in the past and was looking into oil issues. There is a good oil-related site called "Bob's the Oil Guy" that has a surprising number of mower/garden tractor threads. Again, thanks for the help.
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