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2006 monster 620 gearing change

Started by POCO LOCO, February 21, 2016, 01:51:27 PM

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POCO LOCO

February 21, 2016, 01:51:27 PM
On an 06 620 monster that has already been fitted with a 14 tooth front sprocket, what would I gain or lose if I went with an increase of one or two teeth on the rear sprocket?

stopintime

#1
February 21, 2016, 02:38:39 PM
More of the same as the 15 to 14 front sprocket. Front 15 to 14 lowers the gearing / raises the revs 6-7%. One tooth is ~2%

It will probably make the bike a little easier to ride slowly, it will feel faster and theoretically lose some top speed.

252,000 km/seventeen years - loving it

Slide Panda

#2
February 23, 2016, 08:16:33 AM
You can check the maths:

www.gearingcommander.com

-Throttle's on the right, so are the brakes.  Good luck.
- '00 M900S with all the farkles
- '08 KTM 690 StupidMoto
- '07 Triumph 675 Track bike.

POCO LOCO

#3
February 23, 2016, 11:05:06 AM
Who makes a 50 tooth rear sprocket made of steel ?

Speeddog

#4
February 23, 2016, 11:32:13 AM
- - - - - Valley Desmo Service - - - - -
Reseda, CA
(951) 640-8908

~~~ "We've rearranged the deck chairs, refilled the champagne glasses, and the band sounds great. This is fine." - Alberto Puig ~~~

POCO LOCO

#5
February 23, 2016, 05:04:56 PM
Will I have much of a first gear left if I  go with the 14t front sprocket and a 50t. rear? I have a 6 speed I might add.

DarkMonster620

#6
February 23, 2016, 06:10:48 PM
5th will feel like 3rd gear!!!
Carlos
I said I was smart, never that I had my shit together
Quote from: ducatiz on March 27, 2014, 08:34:34 AMDucati is the pretty girl that can't walk in heels without stumbling. I still love her.
"When you have eliminated all which is impossible, then whatever remains, however improbable, must be the truth."

Speeddog

#7
February 23, 2016, 07:26:39 PM
Quote from: POCO LOCO on February 23, 2016, 05:04:56 PM
Will I have much of a first gear left if I  go with the 14t front sprocket and a 50t. rear? I have a 6 speed I might add.

I run 15/39 on my 5-speed M750.
So a 14/50 on your bike would make your 6th only a little higher than my 3rd.

What kind of riding do you do?
- - - - - Valley Desmo Service - - - - -
Reseda, CA
(951) 640-8908

~~~ "We've rearranged the deck chairs, refilled the champagne glasses, and the band sounds great. This is fine." - Alberto Puig ~~~

POCO LOCO

#8
February 23, 2016, 09:10:34 PM
Back roads and highways.

Howie

#9
February 23, 2016, 10:48:16 PM
15/50?  Could be a great drag bike!  Anyway, go here to play with the numbers   http://www.gearingcommander.com/

bshinn

#10
March 20, 2016, 10:01:13 AM
When I picked up my 620 (5spd) it came 14/45. That was waaay too low for my tastes. Anything above 70mph and is sounded like it was going to grenade at any time. Dropped the rear to 43 and it's a good compromise.
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