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Discussion Starter #1
Have not counted yet, but my bike has very obviously come with some gearing changes in the name of increased torque at speed. Its a little ridiculous, really. By way of the GPS, my speedometer reads about 20-25mph higher than actual at most speeds. The engine RPMs seem about par with what my SV650 cruises at at those actual speeds. This goes way beyond, "They all do that, sir".

What's more, my bike's giving me a repated 31mpg. Some of that might be in conjunction with the Two Bros system and Power Commander, but I'm fairly certain its mostly due to gearing.

Its not like this bike is lacking in power anywhere on the band (shorter gearing makes more sense on 600s, but a 1000cc twin?), so I want my low cruising rpms and higher gas mileage ASAP. How does the stock gearing fare for power/mileage/cruise RPM? Would it be a bad idea to even consider going up to an 18t front, or would that start to unnecessarily tax the engine? I'm guessing that might even make the speedo dead accurate. :)

Curious if anyone's tried anything in that regard-
 

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I have stock gearing and can't imagine why anybody would want to change it around much. The bike has such great torque you don't need to fool with it, and on the highway there is more way top end than you'll ever need off of a race track. Fastest I've gone is an indicated 200 km (120mph) while passing a long line of trucks, cars and RVs. A friend who rode it while I was riding his bike claims he saw the speedo hit 240 km (144 mph) and that there was still a ways to go before redline. If that's true, I've got to think the speedomoter is a fair bit less accurate at those really high speeds, or just how fast will thing really go?

When I cruise at an indicated 130 kph (almost 80 mph) in sixth gear, I'm at 4500 rpm, which is a pretty relaxed engine speed. This is a nice cruising speed. I find at 5000 rpm I get a bit of buzzing through the footpegs.

Doing the conversions from metric, and to U.S. rather than Imperial gallons, I get about 50 mpg on the highway most of the time.

Bob
 
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