ENGINE PARTS
WATER COOLED KIT WITH ELECTRIC
WATER PUMP
Each kit comes complete with cylinder, head,
piston, rings, wrist pin, top bearing, clips, gaskets,
electric water pump, radiator, overflow bottle,
hoses and clamps.
52mm bore.
For use with: 45mm Crankshaft

Part Number: WTREL5245
MSRP  $324.95
WATER COOLED KIT WITH MECHANICAL
WATER PUMP
Each kit comes complete with cylinder, head,
piston, rings, wrist pin, top bearing, clips, gaskets,
mechanical water pump, radiator, overflow bottle,
hoses and clamps.
52mm bore.
For use with: 45mm Crankshaft

Part Number: WTRMC5245
MSRP  $324.95
ALUMINUM CYLINDER WITH COMPLETE
TOP END KIT
Each kit comes complete with cylinder, head,
piston, rings, wrist pin, top bearing, clips, and
gaskets.
52mm bore.
For use with: 45mm Crankshaft
Part Number: AL052045
MSRP  $249.95
BIG BORE KIT

Each kit comes complete with piston, wrist pin, top
bearing, clips, gaskets, hi-compression head, and
cylinder.

Direct bolt on with no modifications needed for
either kit to achieve 70cc or 99cc.

MB014540 kit has 54mm bore. In order to obtain
105cc the crank must be changed to a 45mm
stroke.

Part Number:
MB014472 (70cc) MSRP  $189.95
MB014540 (99cc to 105cc) MSRP  $244.95
52mm PERFORMANCE CYLINDER KIT

Part Number:
MB504471 (52mm) MSRP $165.95
PORTED CYLINDER WITH COMPLETE TOP
END KIT
Each kit comes complete with ported cylinder,
hi-compression head, piston, rings, wrist pin, top
bearing, clips, and gaskets.
52mm bore.
Please specify whether using 42mm or 45mm crankshaft.
Part Number: PORTCYL
MSRP  $374.95
REPLACEMENT HEAD

Part Number:
MC01447600 (47.6mm) MSRP $21.95
EEZ531054   (54mm)    MSRP $21.95
HI-COMPRESSION HEAD

Hi-compression head with 180 psi static pressure.
Head can be made with more or less pressure to
match your specifications.
52mm bore.
Part Number:HICOMPHD MSRP  $64.95
SINGLE RING RACE PISTON

Includes piston, 1 ring, wrist pin and clips.

Part Number: MF014522 (52mm) MSRP $31.95
PISTON

Includes piston, rings, wrist pin and clips.

MF014471 (47.6mm) MSRP $31.95
13617HA (53mm) MSRP $31.95
14617CA (54mm) MSRP $31.95
KEIHIN PE SERIES CARBURETORS

Great economical upgrade
Will fit racing intake

PE20 recommended for 50 - 70cc engines
PE22 recommended for ported 50 - nonported
90cc engines
PE24 recommended for 70 - 90cc engines

Part Number:
PE20   $82.95
PE22   $89.95
PE24   $109.95
OKO 24MM POWER JET CARBURETOR

Part Number:
OKO24 MSRP $139.95
REPLACEMENT 28mm CARB BOOT

Part Number:
DQ310139 (50cc & 90cc) MSRP $18.95
INTAKE BOOT STOCK CARB BOOT 20,22,24mm

Part Number:
DQ014023 (50cc & 90cc) MSRP $18.95
TOP END GASKETS

Includes head gasket and base gasket.
Part Number:
47.6MMGSKT (47.6mm) MSRP $19.95
52MMGSKT (52mm) MSRP $19.95
53MMGSKT (53mm) MSRP $19.95
54MMGSKT (54mm) MSRP $19.95
DOUBLE GEARS RACE TRANSMISSION

Part Number:
DBLGEARS MSRP $259.95
DINLI CVT GASKET

Part Number:
E070070 MSRP $16.95
DINLI TRANSMISSION GASKET

Part Number:
E060046 MSRP $18.95
HI-REV COOLING FAN

Hi-rev low profile cooling fan with less resistance
for quicker acceleration.
Stronger fins for more durability at high rpm.
Don't wait for you current fan to blow apart
before intalling this one. (50cc and 90cc)

Part Number: DF001000 MSRP  $19.95
COOLING FAN

Quality cooling fan with custom looking chrome or
carbon fiber finish.
(50cc & 90cc)

Part Number:
NA014M00 (chrome) MSRP  $19.95
NA014C00 (carbon) MSRP  $19.95
AIRSAL KITS

All aluminum nicoseal lined cylinder.

Available in 50cc, 70cc and 90cc.

50cc AIRSAL   $165.00
70cc AIRSAL   $170.00   
90cc AIRSAL    $210.00   

Replacement Airsal Pistons, Rings and Gaskets available
Kits do come with Airsal head
.
BOYESEN POWER REEDS

Boyesen reeds made for stock reed blocks
Increases air/fuel flow for more power
Substantially increases bottom end performance.

BOYESENREEDS $30.00
FULL CIRCLE "STUFFER" CRANKSHAFTS

Available on 40, 42, 45, 47 mm Strokes

HP rod and special counterweight stuffers increase
compression, mixture displacement and crankcase
scavenging.

STUFFER CRANK   MSRP $99.50
****Uses large taper flywheel****
Koyo 6204 racing bearings

These are a high speed japan bearing good for
18,000 rpm.
MSRP $12.00
CVT Covers
For 50-90cc Quads

Blue Part #: CBCVTCOVER $29.99
Red Part #: CRCVTCOVER $29.99
Chrome Part #: CCCVTCOVER $29.99
Fan Covers
For 50-90cc Quads

Blue Part #: CBFANCOVER $29.99
Red Part #: CRFANCOVER $29.99
Chrome Part #: CCFANCOVER $29.99
Black Part #: NB014C00 $29.99