Re: 2017 New Summit
I would recommend the 440 Liquidfire for this project , ideally 1976 vintage.
Not only will you look good in the parking lot, you will be Master of the meadows, and King of the straight up climbs.
The 2017's don't stand a chance......
Nine days holidays per year ?
I would say this does apply to you !
Hope Ronnie's on the rebound, and you are able to take and use up your nine days ! :d
You will notice a harder time starting, when the valves are out of spec .
I don't think you will cause any damage unless they get really tight.
Expect a Performance reduction if they do go out of spec.
it's easy to check, however harder to adjust .
i had CRF 250x and ran it hard. Checked valve...