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Imola which gearbox?

Posted: Sun Jan 20, 2013 12:16 pm
by 10 inch Terror
Hi all, i'm currently running my Imola with a LI150 box and 15/47 sprockets giving a final drive of 5.3. I'm using a 30mm Delly and JL / Franspeed race pipe and AF light flywheel. If i give it plenty of welly it goes really well in 1, 2 and 3 but dies in 4th. My question is, would a pacemaker box and changing the rear sproket to a 46 and a final drive of 5.65 make it any better? Any advice / tips would be very helpful. Thanks in advance Pete.

Re: Imola which gearbox?

Posted: Sun Jan 20, 2013 2:17 pm
by corrado
My Imola went great with Pacemaker and 16 x 47 = 5.41 along with Mikuni TMX27 and scootrs exhaust. On a dyno it revved on [in 3rd] to well over 9k and felt like it genuinely got close to 80 [based on the traffic I'd pass on the motorway].
In quest for better cruising I changed to a JL3 and 17 x 46 = 4.98 and killed it. I would have expected it to pull 5.3 though.

Re: Imola which gearbox?

Posted: Sun Jan 20, 2013 4:46 pm
by john
Just change rear sprocket to a 46

Re: Imola which gearbox?

Posted: Sun Jan 20, 2013 7:08 pm
by psychedelicropcircle
^wot John says mines is a hooligan on the same setup :baddevil:

Re: Imola which gearbox?

Posted: Sun Jan 20, 2013 7:10 pm
by joespeed
which li150 box have you got italian or spanish

Re: Imola which gearbox?

Posted: Sun Jan 20, 2013 7:22 pm
by 10 inch Terror
psychedelicropcircle wrote:^wot John says mines is a hooligan on the same setup :baddevil:
john wrote:Just change rear sprocket to a 46
That gives a final drive of 5.2 if i'm correct. What carb and pipe combo are you guys using? Thanks for your comments so far Pete.

Re: Imola which gearbox?

Posted: Sun Jan 20, 2013 7:25 pm
by 10 inch Terror
joespeed wrote:which li150 box have you got italian or spanish
Italian mate.

Re: Imola which gearbox?

Posted: Sun Jan 20, 2013 7:27 pm
by Donnie
10 inch Terror wrote:
joespeed wrote:which li150 box have you got italian or spanish
Italian mate.
Wouldn't matter if it was a spanish box as long as it's not a li150 S3 one, the S2 one is the same as the Italian :-)

Re: Imola which gearbox?

Posted: Sun Jan 20, 2013 9:07 pm
by corrado
john wrote:Just change rear sprocket to a 46
If it can't pull 4th with 15 x 47 [5.3] , how will a fitting 46 [5.2] improve that?

Re: Imola which gearbox?

Posted: Sun Jan 20, 2013 9:10 pm
by joespeed
Donnie wrote:
10 inch Terror wrote:
joespeed wrote:which li150 box have you got italian or spanish
Italian mate.
Wouldn't matter if it was a spanish box as long as it's not a li150 S3 one, the S2 one is the same as the Italian :-)

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