Bigger isn't always better. I've the got stock exhaust on my TW, and it had a 132.5 in it when I forst got it. It ran really nice, and could hit 70 with a little patience and flat ground. Throttle response wasn't the best, but I attributed that to this bike have 30-90 hp less then my other bikes. I swapped out the 132.5 for a 130 and while I may have lost 2 or 3 mph at the top end, the rest of the range feels much better. The bike responds quicker to throttle inputs, it "feels" better throughout the range, and my gas mileage has gone up quite a bit. I wish I would have done this much sooner.
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Largest Jet Size
I've been wondering what is the largest main jet size anyone has used for elevations less than 2000 feet.
I do understand there are other factors involved and that each TW will respond differently.
Or what size do you think I might get away with. I'm going to drill some,
TIA
I do understand there are other factors involved and that each TW will respond differently.
Or what size do you think I might get away with. I'm going to drill some,
TIA
1 - 1 of 4 Posts
Bigger isn't always better. I've the got stock exhaust on my TW, and it had a 132.5 in it when I forst got it. It ran really nice, and could hit 70 with a little patience and flat ground. Throttle response wasn't the best, but I attributed that to this bike have 30-90 hp less then my other bikes. I swapped out the 132.5 for a 130 and while I may have lost 2 or 3 mph at the top end, the rest of the range feels much better. The bike responds quicker to throttle inputs, it "feels" better throughout the range, and my gas mileage has gone up quite a bit. I wish I would have done this much sooner.
1 - 1 of 4 Posts
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