BornYamaha
Member
CCs make the power. The stock fan 500 is designed with a lower rpm pipe, porting, and much lower gearing. It is easier to make it take off quicker but a higher powered sled will pass it pretty quickly. The 500LC is similar to my hopped up Phazer that I mentioned earlier. If you make more HP from a set displacement it will normally come at the expense of a narrower powerband at a higher rpm due to pipe design and higher exhaust ports. This will make it more difficult to get it to come out of the hole hard. Not impossible, just more clutching. Sometimes the engagement rpm may be higher than desired for trail use to accomplish this. The old 77 SRXs had weights that would partially engage under 5000 rpm to get past many of the track rules but if you power braked them the true designed engagement was over 7000 rpm because they needed to be that high to get into the powerband. Movable exhaust ports on modern 2 strokes have made this much less the case now. I have our 500LC engaging at about 4400 rpm and I am geared down a couple teeth on top as well. I can still see over 100mph on the speedo in the right conditions so I think they are geared to high from the factory. I would certainly beat a stock Phazer out of the hole but if I wanted it to take off to it's full potential I would need to be around 5000 rpm for engagement. This would be fine for me but my daughter is the primary rider of this sled and I don't think she would like it very much on the trail.
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tippmannator
New member
I guess the simple answer would be for you to go buy a L/C and fanner and race em haha