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Discussion in 'Japanese polycylindered adventure bikes' started by Blaise W, Jan 30, 2018.
+2 on the rear here rebel sprockets made a custom one for me I'll post a pic shortly
We want to know how it works. Does it help on the slow speed stuff enough to warrant the effort. And how much does it effect the highway cruising. What RPM is it doing at 70 mph?
Better off-road slow speed stuff not sure the exact rpm at 70 when I get home I can go see, I guess it has not bothered me enough to look. I can still cruise at 70 -80 on highway no issues.
I want both. nice relaxed cruise and a low first gear. MFG's just don't seem to get it. ADVenture bikes will need to cruise at high speeds down the highway, and still be able to crawl their way through some nasty stuff to your camp spot. But they all want to put in close ratio gear boxes. My DRZ400 has to be the worst.
I've got the 44 on the rear... Fuel mileage is off about 10-15 miles per gallon! Yes, it makes that much of a difference.
In researching the sprocket choice, I've found the Honda Rebel uses the same size/brand of sprockets. Might save a few bucks buying Rebel sprockets for your AT.... Jus sayin...
After about 3500 miles on my manual 2017 I put on the 15 tooth primary. I like it much better. Gets off the line more like it should. 6th could be taller, but its not bad. I find that the difference in vibrations isn't really noticeable. Seems like the vibs are almost identical between 3800 and 4300 or so. So not too much of an issue in cruise. I wanted a better off road gear. No I don't plan tight single track, but still want a crawl gear for our rocky roads. I have about 4500 miles on the bike total now and like the 15 better than stock.
I get really shitty gas mileage with the 15 front.... I'd be lucky to get 100 miles out of a full tank.
80 mph / rpms @6000!... I'll live with the taller sprocket offroad
I'm still doing 220+ miles to a tank with 15t sprocket. 245 miles on the last tank. Lots of highway, still had 6 tenths of a gallon left Of course depends on the type of riding. I think the gas mileage dropped a bit, as you would expect, but not hardly noticeable.
I abuse the hell out of the clutch when going slow,tried the 15 on front but did not want to deal with adding a speedo healer.It was fun but I know how to abuse a clutch lol.If it was a suzuki or kawasaki I would worry.Over the many years of riding bikes I have the honda and yamaha clutchs are pretty bomb proof.
I don't think the speedo is off by much. I don't really know, no real way to check it. But I would guess the 15t probably makes up for the difference in tire diameter from the stock street tires, to the Mitas E-07 I'm running. Anybody actually clock it with an accurate way of doing so? I would like to know. Maybe I will stop a cop next time I see one, and ask him for a radar check. I have done that before. Man you get a funny look from them. but then they have always been happy to check it for me. My DRZ-400 is dismal at best. My old WeeStrom was about 7% or so optimistic. The old Grand Cherokee reads 93 mph @ 96 mph, I know that for a fact. I would like to know how accurate the AT is.
Resurrecting an old post. Still running the 15t up front? Still getting good MPG?
If you have a phone mount, there are numerous "speedometer" apps you can dowload that run off of GPS to see how off your speedo is now. I have used them in the past to calibrate mine when I have used SpeedoDRD's on other bikes.
I got a radar check from a cop. It's 10% off.