10 • Turmoil ARR
www.sportwerksRC.com
The Sportwerks Carburetor
The Sportwerks
™
.26 v2 engine features a slide-valve carburetor and includes
two inserts of varying diameters. The carburetor inserts are used to change
the power curve and response of the engine. The two inserts included have
the following effect:
7.5mm – Develops good mid-range power; easier to control than the 9mm
insert; best for medium traction conditions.
9mm – Offers explosive, sometimes difficult to control, acceleration; uses the
most fuel; used only for high traction, or expert drivers.
Setting the Needles
While the needles are pre-set at the factory, it’s a good idea to verify that
the needles are properly set slightly rich for break in. The following are the
recommended settings for your new engine.
High-Speed Needle: 3
1
/
2
turns out
Low-Speed Needle: 2 turns out (counterclockwise) from closed.
Note
: When checking the adjustment of the low-speed needle, it is
crucial that the throttle slide is closed completely and that you do
not over-tighten the needles. When you feel resistance, immediately
stop turning. This is the closed position.
High-Speed
Needle Valve
Leaner
Low-Speed
Needle Valve
Fuel Inlet
(Adjustable)
Idle Stop
Adjustment
Faster Idle
(clockwise)
Slower Idle
(counterclockwise)
Leaner
