Ignition And Spark; Clutch; Starter; Fuel Pump - RENNTECH AIXRO XR50 Operator's Manual

CARBURETOR SETTINGS
STD. EQUIPMENT
TYPE
MAIN JET
IDLE JET
JET NEEDLE
NEEDLE JET
AIR CIRC. BOLT
GAS SLIDER SCREW
AIR FILTER
7.5

IGNITION AND SPARK

IGNITION
SPARK PLUGS
7.6

CLUTCH

Std. equipment clutch is Horstman 0.5" Greased Lightning HD unit, with 11 tooth, 0.5" drive
pinion (428 chain pass).
!TIP: RENNtech recommends using 3 weights per clutch (12mm nuts/bolts, no washer). This
can be changed to adjust for track, kart weight or driver skill, but deviations could lead to some
additional clutch wear.
7.7

STARTER

RENNtech's on-board starter option for the Aixro XR50 uses 12v, 9 amp-hour sealed lead-acid
powersports batteries, or a Coleman external starter (similar to other TaG kart batteries).
7.8

FUEL PUMP

Std. equipment fuel pump is a Mikuni DF 44-18.
TECH SPECS
(continued)
Bing type 84; 84/32/150/00
164 - 166
42
8M1
2.74
opened 1/4 - 1/2 rotations
2 revolutions of UT gas slider
K&N RC 2320
IDM with variable ignition timing
DENSO U22 ETR 4 2 0 1
RENNTECH / AIXRO XR50 ENGINE OPERATOR MANUAL
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