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I posted this issue in my 'got a new bike!' thread but I feel like I should post it on its own to get more answers.
So basically that is it. I recently bought a NH 250 (from 2007, ~2,500 miles). I think it runs great, starts right up with no hesitation ever, and without clutch (but it's been pretty warm here in MD), frankly I love the thing :-D. Don't know yet about gas mileage because I've only done about 120 miles on it so I haven't gassed up again yet. But when I'm done riding and I park it in the garage, it smells like gas for a while. I do close the petcock when I'm done running. It seems to me that the smell is stronger on the right side compared to the left, and it's definitely stronger around the carb. I think when the bike is cold it doesn't smell anymore, but if you sniff around the carb you can smell it though.
No leak that I can see, including when it's running, I've looked around the carb for bubbles when I rev it on idle and I didn't see anything.
There are two hoses running to the bottom of the bike (crankcase breather is one of them I think?). Seems like one of them should be capped according to what I've seen but neither is.
Somebody suggested the mixture might be too rich. I'm not sure how to adjust it so probably would be best to have it adjusted by a shop (if it turns out it could be the culprit)... does someone have any suggestions? It'd be greatly appreciated, thanks!
So basically that is it. I recently bought a NH 250 (from 2007, ~2,500 miles). I think it runs great, starts right up with no hesitation ever, and without clutch (but it's been pretty warm here in MD), frankly I love the thing :-D. Don't know yet about gas mileage because I've only done about 120 miles on it so I haven't gassed up again yet. But when I'm done riding and I park it in the garage, it smells like gas for a while. I do close the petcock when I'm done running. It seems to me that the smell is stronger on the right side compared to the left, and it's definitely stronger around the carb. I think when the bike is cold it doesn't smell anymore, but if you sniff around the carb you can smell it though.
No leak that I can see, including when it's running, I've looked around the carb for bubbles when I rev it on idle and I didn't see anything.
There are two hoses running to the bottom of the bike (crankcase breather is one of them I think?). Seems like one of them should be capped according to what I've seen but neither is.
Somebody suggested the mixture might be too rich. I'm not sure how to adjust it so probably would be best to have it adjusted by a shop (if it turns out it could be the culprit)... does someone have any suggestions? It'd be greatly appreciated, thanks!