©2005 olilolo productions all rights reserved. or some crap, anyway

No-Airbox Tune*
145 main jets
Stock needles - 2 x 0.6mm washers per needle
All short intake stacks
Mixture screw set to 1 and
¾ turns out

RAM-Air Tune
122 main jets
Stock needles - 2 x 0.6mm washers per needle
All long intake stacks
Mixture screw set to 1 and ⅞ turns out

K&N® Pod Filter Tune
118 main jets
Stock needles - 3 x .5mm washers per needle
Adjustable needles - 2 x .5mm washers at clip height 5
K&N® Pod Filter per carburetor
Mixture screw set to 2 turns out

Derestricted intake Tune with Full Exhaust
116 main jets
Stock needles - 2 x .5mm washers per needle
Adjustable needles - 2 x .5mm washers at clip height 5
All short intake stacks
Mixture screws set to 2 turns out

Derestricted Intake Tune with bolt on Can
Cyl 1 and 4 116 main jets - Cyl 2 and 3 114 main jets
Stock needles - 2 x .5mm washers per needle
Adjustable needles - 2 x .5mm washers at clip height 5
Stock intake stack lengths
Mixture screws set to 2 turns out

Stock Intake Tune with Bolt on Can
Cyl 1 and 4 114 main jets - Cyl 2 and 3 112 main jets
Stock needles - 2 x .5mm washers per needle
Stock intake stack lengths
Mixture screws set to 2 turns out

Stock Intake Tune
Cyl 1 and 4 110 main jets - Cyl 2 and 3 108 main jets
Stock needles - 2 x .5mm washers per needle
Stock intake stack lengths
Stock mixture screw settings

The following is the manufacturer's settings to fall back onto if all else fails...

Factory Settings
Cyl 1 and 4 105 main jets - Cyl 2 and 3 102 main jets
Stock needles - 1 x .5mm washer per needle
Cyl 1 and 4 short intake stacks - Cyl 2 and 3 long intake stacks
Mixture screw set to 1 and ¾ turns out


The assumptions made here are as follows;

#1 : That a full system comprises of larger diameter headers than stock (MC14, MC17 or even the CB250 Hornet headers) and an efficient collector.
#2 : That a bolt on can, whatever branding is merely a large straight through can with no real baffling as such.


NOTE: These settings are all proven to work with cleaned carbs and new plugs.

* Airboxless tune not Road Legal due to insane induction noise and due to there being no filtration of air, not considered healthy for the engine for road use.

Always more to come...