LWM Posted September 5, 2014 Share Posted September 5, 2014 What are your recommendations and experiences with various sprocket combinations? Right now my 2012 ER6F is completely stock. As far as I know the stock sprockets on the ER6F are 15F x 46R I reach a top speed of around 172 km on the Bira front straight (GoPro camera, I generally have other things to do at the end of the straight) ... probably had a good tail wind that day ... as I'm heavy at +/- 95 kg ... Seems like everybody passes me on the straight ... that was okay for a while ... but now ... no more Mr. Nice Guy ... the gloves are off ... so to speak ... Any other ideas welcome ... let the games begin Thx in advance Leslie MacKenzie Link to comment Share on other sites More sharing options...
ll2 Posted September 5, 2014 Share Posted September 5, 2014 add a couple of teeth to your sprockets, lots of sprocket choices around. as you dont need a speed more than 180 - 200 kph at Bira, this will bring you more acceleration. Moreover, i suggest you a full system pipe, an aftermarket ecu and an air filter which will give you 10 percent more performance and an edge. Link to comment Share on other sites More sharing options...
JohnPark Posted September 5, 2014 Share Posted September 5, 2014 I went up one tooth on the rear Link to comment Share on other sites More sharing options...
yankee99 Posted September 5, 2014 Share Posted September 5, 2014 Start with 2 up. If not enough go 1 down in front. You will lose top speed but you'll get in your power band quicker. Link to comment Share on other sites More sharing options...
LWM Posted September 5, 2014 Author Share Posted September 5, 2014 I went up one tooth on the rear JohnPark, What difference did you note? If you had it all to do over again ... what would you do? ... go up 2 teeth? ... stay with the up 1? ... stay stock? ... go up 3 teeth? Did you notice having to shift more often over the course ... if so ... was that a bother? Do you know if your top speed on the front straight increased? How much? thx LWM Link to comment Share on other sites More sharing options...
JohnPark Posted September 5, 2014 Share Posted September 5, 2014 This site is quite good for letting you see the effect of any changes http://www.gearingcommander.com I changed my sprocket before I'd ever been on the track but bike definitely pulls better in all gears. Feels like I'm in the sweet spot a bit more. If I had to do it again I'd probably stick to the same 1 up on the rear but the Z800 is already geared quite high, not sure about the ER. Better in traffic also, can coast at a lower speed with no clutch. Never got to top speed, after 220 the wind becomes a bit of a problem. 1 Link to comment Share on other sites More sharing options...
ll2 Posted September 5, 2014 Share Posted September 5, 2014 (edited) Lwm, all you need is 2 teeth up and even three teeth up for bira is OK imo for speeds upto 200. Bira is noy a speed track. Accelration rules there. But again you will need more edge/performance with some aftermarket parts i stated before. Edited September 5, 2014 by ll2 Link to comment Share on other sites More sharing options...
LWM Posted September 9, 2014 Author Share Posted September 9, 2014 Went down 1 tooth on the front to 14F x 46R Will tell you how it works out 1 Link to comment Share on other sites More sharing options...
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