redfjniner Posted November 27, 2015 Share Posted November 27, 2015 I found this site while looking into replacing my sprockets. It is called and allows you to analyse different set ups, adjust maximum RPM and determine Maximum speed. I put it in the How Too Index so it can be found easily. Take a look, kind of fun to play around with the numbers. Ken, Candy Ass L.D.R. Sleeps 8 hours (2)2005 FJR1300abs: 230,000 m 2015 FJ-09: 114,000 m (Replaced engine at 106K) Link to comment Share on other sites More sharing options...
checkereddemon Posted January 20, 2016 Share Posted January 20, 2016 Thanks for the headsup on the Gearing Commander website, VERY useful! And this bike just sh!ts HP and torque all thru the rev range, no reason to run it any higher than 4-6,000 RPM on a daily basis unless you're canyon carving with your m8s or running a drag race. And, the calculations show that you can actually achieve 100 MPH IN 3rd GEAR @ 10,400 RPM. How about that, break the ton and only shift twice - YOWZA!! So, it looks to me that my next modification is to install a 17 tooth front sprocket. The ride will be less buzzy on the highway and I'll probably gain 2-3 mpg in fuel efficiency....w00t!! And *that*, my friends, is yet another reason that chain drive bikes are superior (in most cases) to shaft drive - ever tried altering the final drive ratio on a shaft driven bike? I didn't think so... -CD- 2015 Yamaha FJ-09: RaceTech Gold Valves, RaceTech Rear Spring, Arrow Full Exhaust - black with w/Carbon Fibre endcap, ECU Flash, Lowered 20mm front, 15 mm rear, Denali driving lights, Fenda Extenda, Tail Tidy, Corbin Seat, Madstad 22" Windshield, OEM heated grips, Woodcraft frame sliders, Grip Puppies, BadAss Cover (Large).... Link to comment Share on other sites More sharing options...
docsimple Posted January 20, 2016 Share Posted January 20, 2016 NO reason to..... wha??? Every time I get on the bike it will see 10k. And yes, 1 ton in thrid is possible, I think I was having to shift just before that though. Sadly I have not been able to get out and test the top end since last year. I changed the sprockets on 2 of my last three bikes.Totally useful and needed, I can't see needing it on this bike unless your looking for more top end/ better gas mileage at highway speeds. Seems a shame to castrate this bull though! 2015 Red FJ 09 2013 WR250R - little boy blue - sold 2012 DL650 V Strom - sold 2007 FZ6 - sold 1986 FJ600 - sold Link to comment Share on other sites More sharing options...
Premium Member fanowater Posted January 21, 2016 Premium Member Share Posted January 21, 2016 Will changing the front sprocket throw off the speedometer? redfjniner - good find , btw. Cheers 2015 FJ-09 2006 Triumph Daytona 675 Link to comment Share on other sites More sharing options...
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