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post #91 of 99 (permalink) Old 04-27-2019, 12:27 PM
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@weeksy , did you pick up on any dirt ?

2008 1190 RC8
2007 690 SM

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post #92 of 99 (permalink) Old 04-29-2019, 01:51 PM
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A couple days riding on 16/41. I'm not an experienced rider. Actually just a beginner, but I've launched the rc8 on 16/41, it's very agressive. I've got a new chain and I think it's best the rear wheel sits back as far as it can.

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post #93 of 99 (permalink) Old 05-01-2019, 02:32 AM
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One of the reasons why i got the 1190 was to cruise at 120km highway speed, economically.


16\41 is a ratio of 2.56 , 80km in 6th gear @3400 rpm
might try 16\39 2.44

i could try 17\41 2.41 but it will just reduce the wheel base closer, or use a new chain, think ill do the 39 rear as they are on the shelf item

16T 37T 2.31
16T 38T 2.38
16T 39T 2.44
16T 40T 2.50
16T 41T 2.56
16T 42T 2.63
16T 43T 2.69
16T 44T 2.75
17T 35T 2.06
17T 36T 2.12
17T 37T 2.18
17T 38T 2.24
17T 40T 2.35
17T 41T 2.41

2008 1190 RC8
2007 690 SM

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Last edited by cors187; 05-01-2019 at 06:04 AM.
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post #94 of 99 (permalink) Old 05-01-2019, 05:16 AM
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Quote:
Originally Posted by cors187 View Post
17/37 old 16/41 new. Same chain thankfully

Dude that's gonna be a huge change, i came from 16/38 to 16/40 and it takes getting used to , good luck with keeping the front down
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post #95 of 99 (permalink) Old 05-01-2019, 06:14 AM
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Quote:
16T 37T 2.31
16T 38T 2.38
16T 39T 2.44
16T 40T 2.50
16T 41T 2.56
16T 42T 2.63
16T 43T 2.69
16T 44T 2.75
17T 35T 2.06
17T 36T 2.12
17T 37T 2.18
17T 38T 2.24
17T 40T 2.35
17T 41T 2.41
daniro , if we could chat about what was your goal for going from 16T 38T 2.38 ?
Atm i thought i could find a 39 rear but its a 38 thats on the shelf here.

btw ive only ever ridden it on 16\41 and given it some basic tests , i only rode it once on 17\37 and only went around the block.

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2007 690 SM

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post #96 of 99 (permalink) Old 05-01-2019, 06:26 AM
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My RC8R is track bike, I got it second hand and the previous owner went down one tooth in front. With 16/38 it was too long for the track, just barely redlining 5th gear at the end of the straight. So I tuned it, now pushing 157hp on the wheel, and went up to 40T on the rear, but now im planing to get quick turn throttle tube ( screw from surgery in my right wrist stops me from opening fully at one go) it will be too jumpy, so im gonna tame it down a bit with 39T rear.

On top of that we got a lot of humidity here, so from May till October, track can be pretty slippery and opening gas can be very eventful in some corners over here. A lot of good riders got caught there. Again it's all my personal preference based on the tracks that I'm riding on.


Edit:

I just saw upper posts, bro if you are a new rider be careful with opening throttle with that sprocket setup. That bike has no electronic nannies to save your *** if things go wrong. I'd suggest , and other guys please correct me if I'm wrong, tame it down an bit, get a smaller rear sprocket ( batzang.de has them) or progressive throttle tube from KTM until you get used to the torque.

Last edited by Da Niro; 05-01-2019 at 06:34 AM.
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post #97 of 99 (permalink) Old 05-01-2019, 06:40 AM
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SMR 990 17T/41T 2.41
SD/SD-R 990 16T/38T 2.38
1290 SD 17T/38T 2.24
RC8R 1190 17T/38T 2.24

just some stock examples of the lc8 motors

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post #98 of 99 (permalink) Old 05-01-2019, 06:59 AM
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it has the soft throttle tube cam, true its an aggressive bike.
Im really believing the importance of getting that back wheel out as far as it can go.
The bike is just my traffic light special and looping it at low speeds , geez how can i tell the wife about the repairs to the bike , not even mentioning health problems

Oww , btw , parts finder has the 40,39,38 tooth rear sprocs but they are 65euro .
The shelf ones i was referring to are the JT sprockets that can be had for 30euro

But back to the discussion.
Eventually the bike is supposed to be a part time stunter so will have a 52 rear or something.

41 rear has been a great start , cheap and big as i could get and still use the same chain, but im thinking a 16T 39T 2.44 might hit the sweet spot of being the traffic light special and doing serious km on the roads.

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post #99 of 99 (permalink) Old 05-12-2019, 03:15 PM
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did some more hours on the road with 16\41

absolute acceleration weapon, farkn crazy, if you can keep the front wheel down.

atm im 120kg or so and ive got this technique where im literally pulling my stomach over the tank and my nuts are free wheeln , feet on pegs , knees gripping.

damn bike with 16\41 blows my head off and leaves me dazed

its a hooligan gear, i can rev and let the clutch out fast and it just takes off, no riding the clutch needed.

might try 16\39 soon cause im always hanging on.

2008 1190 RC8
2007 690 SM

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