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Rejet? - 3/31/2006 12:08:07 AM

Eviltapper

Posts: 2
Joined: 3/25/2006
Status: offline

Hello all, I am another new guy with a question. I just got the 94 1000f and went nuts on EBay and bought a K&N air filter and also a Vance and Hines full exhaust. I installed the K&N filter but haven't got the pipes yet. My question is, when I install the pipes, is it necessary to rejet or will it be ok for the summer?

Post #: 1

RE: Rejet? - 3/31/2006 11:35:14 AM

CBR1988

Posts: 198
Joined: 10/25/2005
From: Hants UK, NY USA, NC USA, UAE now
Status: offline

Hey:

To get it all to run correctly (Best Perf) you will have to go bigger mains and get adj needle at the least.

Check the 2 msgs below, main jet and ind air filters for more info

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When In Doubt Do Without

(in reply to Eviltapper)

Post #: 2

RE: Rejet? - 4/3/2006 12:50:24 AM

crucialfate

Posts: 137
Joined: 2/11/2006
Status: offline

here's another rejetting question..... when doing something as simple as replacing the fuels pump, is it necessary to rejet bikes?

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1987 CBR 1000F Hurricane

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Post #: 3

RE: Rejet? - 4/3/2006 2:33:47 AM

CBR1988

Posts: 198
Joined: 10/25/2005
From: Hants UK, NY USA, NC USA, UAE now
Status: offline

Hey:

No the fuel pump change out should not affect this ever, unless something else was wrong or maladjusted.(wrong jets)

jetting is used to adjust for the air/fuel mix in the carbs due to more/less unrestricted air intake or exhaust. (altitude) most common.

_____________________________

When In Doubt Do Without

(in reply to crucialfate)

Post #: 4

RE: Rejet? - 4/3/2006 2:58:10 AM

Eviltapper

Posts: 2
Joined: 3/25/2006
Status: offline

Is rejeting a simple task for a backyard mech. or should it be left for a shop?

(in reply to Eviltapper)

Post #: 5

RE: Rejet? - 4/7/2006 11:26:05 AM

CBR1988

Posts: 198
Joined: 10/25/2005
From: Hants UK, NY USA, NC USA, UAE now
Status: offline

Hey:

As long as you have the tools (flat blade screwdrivers small and large, phillips #1,& #2, 10mm,& 12mm sockets or wrenches),
removing the carbs from the motor and airbox is the hardest part. The only thing you need a shop to do is the carbs should be balanced, &
adjusted to optimum vacuum settings prior to making any changes. If you bike is in need of a tune prior to rejetting you may not get
accurate jet settings. Also make sure the spark plugs are good. the valves are adjusted correctly, a basic tune should be done prior,
you don't want to make any changes on a bike that is not running at its best. That way the changes you make are not masking any other
problems or causing new ones and you can follow the jet kit reccomendations with out wondering if its right. Also just be careful when taking
the carbs apart noting the order things were in, its best if you have a repair manual and a friend who has done this before. A shop won't be
cheap but then you know your abilities better than I. Also make sure you follow the spark plug and jet setting guide at speed or on a dyno,
making 1 setting change at a time, it may take longer but you will end up with a better performing bike when done.

Good luck in your endever, and I hope it turns out well.

_____________________________

When In Doubt Do Without

(in reply to Eviltapper)

Post #: 6