Takegawa 124cc +R Super Head bore kit with roller cam design. The new Super Head design with roller rocker arm design and the same high quality
of all the Takegawa products.
Complete line of replacement parts and repair parts available.
Takegawa 113cc +R Super Head bore kit.
All of the design features for the Takegawa +R Super Head, Aluminum Roller Rocker arms, Improved porting, 28.5mm intake, 23.5mm
exhaust both with 4.5mm stems to reduce flow and turbulence, extra oiling jets incorporated into the cam design as well as
DE-COMP mechanism, high compression piston design (12.0:1). Nicasil aluminum cylinder and complete top end gasket set. Like
all of the Takegawa products, these products are the top of the line Japanese products for the serious competitor, no excuses
on this bore kit. 54mm bore x 49.5mm stroke.
material might need to be removed from your motor case to allow the cylinder skirt to engage in the motor case.
Takegawa 105cc 4-valve
+R Super Head bore kit. The top of the line performance head, 4-valve design. All of the design features for the Takegawa
+R Super Head, Wishbone Aluminum Roller Rocker arms, Improved porting, (2) 21.5mm intake valves, (2) 18.5mm exhaust valves,
both with 4mm stems to reduce flow and turbulence, extra oiling jets incorporated into the cam design
as well as DE-COMP mechanism, high compression piston design (12.0:1). Nicasil aluminum cylinder and complete top end
gasket set. Like all of the Takegawa products, these products are the top of the line Japanese products for the serious competitor,
no excuses on this bore kit. 52mm bore x 49.5mm stroke.
Takegawa 105cc +R Super Head bore kit. All of the design features
for the Takegawa +R Super Head, Aluminum Roller Rocker arms, Improved porting, 28.5mm intake, 23.5mm exhaust both with 4.5mm
stems to reduce flow and turbulence, extra oiling jets incorporated into the cam design as well as DE-COMP mechanism, high
compression piston design (12.0:1). Nicasil aluminum cylinder and complete top end gasket set. Like all of the Takegawa products,
these products are the top of the line Japanese products for the serious competitor, no excuses on this bore kit. 52mm bore
x 49.5mm stroke.
Takegawa 113cc R-STAGE bore kit with DE-COMP CAM. This is Takegawa entry
level performance kit for the more budget minded racer with the addition of the DE-COMP cam for easier starting with the larger
displacement motors. Very good performance and the highest reliability just like all of the other high quality products from
Takegawa, no excuses. High compression piston 54mm (12.0:1), Performance R-Stage head with 26mm Intake and 22.5mm Exhaust
as well as the R-Stage performance camshaft.
P843 LIST:$445.00 MXP:$405.00
Racing 115cc bore kit. This is one of the best bangs for the bucks for your TRX90. Kit comes complete with our Privateer Racing
head, 25mm Intake valve - 22mm Exhaust Valve, Privateer Racing cam and performance rocker arms, matched high compression piston
kit as well as our aluminum high quality 54mm x 69mm cylinder. We have built this kit and taken all of the guess work out
of building this kit so that you do not need and cylinder spacers or custom made item to make your motor kit run properly.
Our kit design is modeled after the Takegawa R-STAGE technology. This piston kit will not run on a stock head without custom
machine work, only matched to our Privateer Racing Head.
Some material might need
to be removed from your motor case to allow the cylinder skirt to engage in the motor case.
Takegawa 105cc R-STAGE bore kit. This is Takegawa entry level performance kit for the more budget
minded racer. Very good performance and the highest reliability just like all of the other high quality products from Takegawa,
no excuses. High compression piston 52mm (12.0:1), Performance R-Stage head with 26mm Intake and 22.5mm Exhaust as well as
the R-Stage performance camshaft. Bolt on performance with no case mods needed.
High Compression FORGED piston and CERAMIC cylinder kit for the +R Super Head Takegawa
124cc bore kit.
High compression FORGED, not cast like the stock piston as well as rasing the compression ratio from
stock 12.2:1 up to 13:1. The kit also comes with a Ceramic coated aluminum cylinder and top end gasket set. If you are looking
for the last little bit of power out of your Takegawa bore kit, this Piston and cylinder kit will tweak that last little bit
out of your motor with out decreasing any of the reliability of the motor kit.
High compression FORGED piston kit for your 124cc +R
Super Head Takegawa bore kit. Forged Aluminum piston kit increasing your stock compression ratio from 12.2:1
up to 13:1. Tweaking out that last bit of performance out of your Takegawa bore kit without sacrificing any reliability. Kit
will only comes with Piston, piston pin, cir-clips and ring set.
P308T LIST:$495.95 MXP:$459.00
Takegawa 54mm Crank shaft for CDI motors
P# P641 LIST:$1978.00
Kitaco 124cc SE bore kit. Now you can have the largest
Kitaco SE version of the TORQUE KING! Kitaco's BEST of the BEST. This is the bore kit that is the most winning bore kit in
the US today. Super fast throttle response and a cam that is designed specifically for the dirt and not a road race cam that
has been adapted to motor-cross. The most reliable race kit on the market.
ring set, Kitaco 124cc SE. Complete replacement ring set for your 54mm Kitaco 124cc SE motor.
Piston Kit, Kitaco 124 SE 54mm
Replacement piston kit. Complete with Kitaco piston ring set, wrist pin, cir-clips and top end gasket set.
Kitaco Gasket set for Big Bore kit.This gasket set
is for KITACO cylinders only.
P# MXPP587 MXP:$150.00
set, STEEL, Kitaco SE. Replacement valve set for the Kitaco SE head. 23.5mm Exhaust, 27.5mm Intake, direct replacement for
your oem valves.
P# MXPP121 MXP:$9.50
Seal, Kitaco SE. Kitaco replacement valve guide seal for your Kitaco SE head. The same seal for either your Exhaust or Intake
Kitaco Ultra Oil Pump Kit. 300% Increase in oil volume. This is a must for any Big Bore Kit installation.
Make sure that you drill out the oil supply orifice
to 5/64" to insure the higher volume flow till be delivered to your top end of your motor for cooling. If you do not
understand where or what this orifice is, please ask at the time of your order.
Takegawa Cam S-20for the +R Super Head. Takegawa has a range of different cams for this bore kit.
Each cam has been specifically designed for a unique purpose. As you can see from the dyno charts listed to the right. This
cam selection is more of a torque cam which would yield more bottom end performance out of the motor and
have limited high end performance. This is a very good street performance cam where bottom end torque and performance is a
P# P825-25 MXP:$166.00
Takegawa S-25 Cam for the +R Super Head. This cam will
start to yield more top end while reducing the low end performance. If you notice on the charts, the rev out of the motor
increases as well as peak HP delivery. As the cam number increases, the peak HP will increase and torque and lower end performance
will fall off.
P# P825-30 MXP:$166.00
Takegawa S-30 Cam for
the +R Super Head
P# P825-35 MXP:$166.00
Takegawa S-35 Cam for the +R Super Head. This
would be a FULL ROAD RACE CAM. As you can see from the Dyno charts, the peak HP will be at maximum rating but the lower end
torque and performance will not be as good as the lower number cam cams like the S-20.
P# 794-0211 HONDA TRX90 Sportrax ‘99-13
• Stainless steel removable end-cap
Strong mounting bracket(s) for strength and durability
• Removable USFS approved spark
• Brushed aluminum canister construction
Stainless steel head pipe and end-cap construction
• Stainless steel slip-fit inlet pipe
for perfect fit and quick installation
Ultima Racing Pipe for the TRX90. Now our world famous ULTIMA pipe design
has come to the Mini Quad Industry. Stainless Steel Header and shield with powder coated muffler can with Billet Aluminum
Dyno tested and tuned to deliver Maximum torque for the quads while developing more peak HP than any other pipe
on the market.
The most winning pipe in the mini motorcross industry is now available for the mini
quad market now. No excuses, JUST PERFORMANCE !
HONDA TRX90 06-11
P# MXP620503 LIST:$259.95 MXP:$239.00
BIG GUN™ EVO MINI COMPLETE SYSTEM
Ceramic coated 18 gauge mild steel stepped
T-6 aluminum silencer
Hard anodized titanium finish
Custom heat shield
USFS approved 94-96dB’s
approved spark arrestor
•Deep rich sound
P# 785-1245 HONDA TRX 90 ‘06-14 Full AL Round LIST:$234.95
THIS IS BRUSHED ALUMINUM, NOT BLACK.
Setting the standard for power and value, the HMF
Performance Series has been track tested with
a decade of championships. The specially
core provides maximum flow
and allows the exhaust to increase horse
torque evenly throughout the entire power curve.
Mukuni 28mm FLAT SLIDE carb. When you have out grown your 26mm round slide carb, this will be the next
step before you go with the 28 D SLIDE carb. We have found this carb to be very easy to tune and seems to be a little easier
to run than the D Slide unit. Very quick throttle response as well as advances the torque curve , over the 26mm round slide
units. Uses the same throttle cable as used for your 26mm round and 28 D Slide.
Comes with a 180M/15P jetting.
This seem to be the best starting spot for the 124 bore motors.
Keihin 28mm PWK D-SLIDE Carb only. One of the best carb on the market
today. The D-SLIDE delivers one of the quickest throttle responses available as well as developing more torque over the round
slide carbs. Only recommended for the highly tuned motors. Comes stock with #135 main and #38 Pilot jets.
This is the REAL Japanese Race version, NOT A CHINESE COPY.
K132 LIST:$176.00 MXP:$166.00
Mukuni 26mm round slide carb. One of the best all around
performance carbs on the market. Really good performance with easy starts and good cold weather performance. Probably one
of these most popular carbs on the market. Performs very good with Kitaco and Takegawa heads straight out of the box. Comes
with #150 Main and #15 Pilot.
This is the
REAL Japanese Race version, NOT A CHINESE COPY.
Kitaco 24mm Keihin
Round slide carb kit.
Kit includes a multi-angle intake that has two different mounting locations, throttle assy and cable as well as extra jets.
Comes jetted with #95 Main and #35 Pilot. Really nice performance on the smaller bore motor kits (less than 124cc). Throttle
cable will not work with stock TRX90 throttle assy.
This is the REAL
Japanese Race version, NOT A CHINESE COPY.
Takegawa Intake for 24mm carb, left side mount with
extended aluminum intake and rubber spigot as well as all mounting hardware and throttle cable. Cable will not work with stock
TRX90 throttle assy. Throttle cable included in kit fits a CRF50, not a TRX90 throttle assy.
P88 LIST:$81.03 MXP:$73.00
Intake Kit for a 28mm carb, Kitaco. Extended long aluminum intake
with rubber spigot as well as gasket and mounting hardware. Many of the Quad riders use this set up in conjunction with the
12 way adapter listed above.
Intake Kit for a 26mm carb, Kitaco. Extended long aluminum intake with rubber spigot
as well as gasket and mounting hardware. Many of the Quad riders use this set up in conjunction with the 12 way adapter listed
12 Way Manifold Adapter, Kitaco. This allows you mount your manifold
and carb in 12 different positions. Now you can move your carb and intake around so that you will no have any interference
with your frame or other obstructions.
P# MXP144202 MXP:$16.95
UNI® 2-STAGE ANGLE POD FILTER
Outer coarse “PRE-FILTER” can be used dry or
oiled depending on conditions
Fits Keihin 28mm an VM28
P# MXP144183 MXP:$16.95
UNI® 2-STAGE ANGLE POD FILTER
Outer coarse “PRE-FILTER” can be used dry or
oiled depending on conditions
Fits Keihin 26mm an VM26
Cable, Throttle for your thumb throttle assy. Designed to run with your stock Honda thumb throttle
assy and to match up with the performance carbs for the big bore kits
ratio 4-Speed Transmission. 1 Down 3 up shift pattern. Kit comes complete with everything need to install this transmission
in your CRF50 based motors. Complete shift drum and forks as well as detent and kick start gear.
Will not fit in your TRX90 cases
CHP Primary Drive gear kit. This is one of
the best bangs for the bucks for all of you TRX90 guys. Once you install the 124cc bore kits, either Kitaco or Takegawa, this
kits bolts on to the crankshaft and now allows you to run your stock TRX90 clutch basket. No need to buy a $700.00 clutch
kit to run with your new big bore motor, this eliminates that need.
The installation of this kit removes more than 3 pounds of spinning mass from your crankshaft thus freeing
up more HP that is issuable for your rear wheels.
This converts your motor to a semi-auto set up. Holding down on your
shift lever will be your clutch lever. Kit includes the CHP drive gear, conical thrust washer, nut with oiling seal built
in and locking washer to secure the entire kit.
An additional oiling tube will need to be fabricated, or you can purchase
one from us, to insure you maintain your crankshaft lubrication.
Honda Kick start spindle kit. ABSOLUTELY NO CHINESE PARTS IN THIS KIT. This kit includes all of
the items that you will need to fit your TRX-90 motor with a kick start mechanism. We have done all of the home work for you
so that you do not have more head aches with all of the top secret information of what fits what. This kit is made to work
with the stock TRX-90 transmission.
You will need to have your clutch cover machined so that you can install this kick
spindle. With the installation of this kit, you will no longer need your pull start on your motor or the electric start. This
is a must for the serious racer.
P# P242K LIST:$592.95
Kitaco Manual Clutch cover conversion kit. This set up replaces your stock TRX-90 Honda Clutch cover so that
you can convert your motor over to a Manual actuated clutch motor. High quality Japanese die cast aluminum clutch cover that
incorporates oil taps for remote oil cooler addition as well as a remote oil filter and separate housing for this filter to
allow changing the oil filter without removing the clutch cover.
P# MXP268188 MXP:$23.95
EBC CLUTCH REMOVAL TOOL
• Speeds clutch removal
• Secures clutch basket in order to remove clutch retaining bolt
CHP Oil passage tube. Installs in your
stock TRX90 clutch cover and engages in the primary drive gear nut, to supply oil to your crankshaft. Machined out of billet
aluminum for a precise PRESS fit. Press fits into stock TRX90 clutch cover.
After you have completed your big bore motor
and have installed a 54mm stroke crank shaft, this billet tube is required to bridge the gap between your clutch cover and
the stroker crank shaft. With out this tube, you cut off oiling to your crankshaft which will almost guarantee motor failure
TRX90 EX/X 02-09,12 TRX90 93-06
KG CLUTCH FACTORY
PRO DISC SETS
• KG Clutch Factory Pro Discs use a specially
blended cork based material for the Friction Discs that are designed and manufactured to
meet or exceed OEM clutch requirements
Years of testing, combined with engineering expertise, has resulted in the highest quality and performance
products for today’s motorcycles
DC-8-C COMPOSITE PERCH ASSEMBLY
• Adjustable for hand size
and rotate to prevent damage
• New for 2012 is ARC™ composite levers. Manufactured from Mnemlon 6, a specially formulated composite designed to be strong
enough to do the job yet resilient enough to absorb
impact. Will never break and can be bent and straightened
over 20 times without any diminished appearance or strength
• No vibration is transmitted into the lever allowing
better feel on the control
• These levers are truly indestructible
PRO TAPER® PROFILE PERCH• Universal application fits most
make and model offroad bikes
• Exclusive light weight, low profile design
• Durable anodized finish
• Ergonomically shaped hotstart trigger
• Factory inspired quick adjust star
Unique “full-coverage” pivot mount rubber boot keeps assembly
•Sealed bearings at lever pivot
virtually eliminate friction and provide a smooth, consistent feel
•6061 precision forged aluminum with ultra durable anodize
•Available with or without 4-stroke hotstart assembly
MSR AOF CLUTCH PERCH & LEVER
P# 341686 MXP:$29.95
Universal application fitment and “adjust on-the-fly” style perch.
Forged alloy construction for increased durability
with a rubber boot to keep out dirt.
stock CR-style lever.
in pivot provides smooth lever feel and wear protection.
Rev-Limiter, adjustable, CHP.
is the cheapest insurance policy that you will buy for your TRX-90 race motor. Eight separate settings, with the final setting
UN-LIMITED. You can adjust your box to allow as little or as much rev as you want. Needs a 12 volt source to run the limiter.
Easy installation and comes with a wiring diagram as well as each lead of the unit is already clearly labeled for error free
Coil. Delivering more than 69,000 Volts, surpassing the capacity
of the old super coil by more than 25%. Higher compression motors require hotter spark to run properly. High compression ratios
causes spark quince and thus suppresses the spark from your plug, with our new ULTIMA coil, your guaranteed to eliminate spark
quince and deliver a constant high voltage spark to your plug and maintain top level performance from your motor.
intensity spark with faster recovery and response. Longer plug life as well as a hotter spark. IMPROVES
THE LOW END PERFORMANCE AS WELL AS ELIMINATES MANY IGNITION PROBLEMS.
Sportrax 93-05 P# MXP864045
• 20% greater output than O.E.M. stator
Triple insulated for maximum reliability
• Supplied with new electrical connectors
and wiring sleeves
HONDA TRX90 Fourtrax
06-09 P# MXP495814
• New starter motors, not rebuilt
The image is not the actual TRX90 starter
Privateer Racing Oil Cooler Kit. Extra Thick unit measuring 1.250" thick and more than 4.375" long
make this one of the largest capacity coolers on the market for this design envelope. Super strong mounting as well as lines,
quick release spring clips, steel taps and sealing brass washers and high efficiency cooling oil tap for all stock Honda Based
heads as well as Kitaco heads.
Kitaco Oil Cooler kit. Protect
your high performance engine or big bore engine. This cooler kit is a must to prevent overheating of high RPM or High Powered
Privateer HEAVY DUTY Racing Oil Cooler Kit. Aluminum Cooler dimension 1.375" thick and 6.750"
long. Heavy Duty construction including a rock guard as well as rigid mount bracket that attaches to the intake bolts making
for a very clean installation. Billet aluminum anodized red banjo fittings, right side head cover oil tap, gasket, oil lines
and clamps. Kit comes with everything that you need for installation, compact and clean at a very low cost.
P305K LIST:$220.00 MXP:$209.95
Kitaco Super Oil Cooler. Now with more cooling capacity and
a forged oil tap for your CRF50 based head or Kitaco and R-Stage Takegawa head. Mounting brackets, banjo fittings, oil lines,
hose clamps, gaskets and sealing washers. A must for your 124cc motors, increased power, means increased heat, cool your motor
or lose it!
TRS COMP SERIES
06 -11 192649
• Delivers plenty of performance in the mid and
upper end of the powerband
• Stainless steel header mated to the same Tri-Oval TRC and TRS mufflers
from the Pro Series
• Comes equipped with a 2-piece endcap with 96DB USFS approved spark arrestor
P# 030098 MXP:$39.95
PC RACING MOTOMINDER ENGINE HOUR METER
• Automatically records and displays your engine’s accumulated run time, so oil changes, piston, rings, valves, spark plugs, etc. can be serviced at the correct maintenance
• The correct schedule saves costly
engine damage from service neglect, but Motominder can also save money
from servicing too frequently
is powered by your vehicle’s electrical system by simply cable tying its power line along the spark plug lead or direct connecting to the kill-switch wire
• The smallest engine hour meter available (approximately 1” x 1.5”) it doesn’t require additional
mounting brackets and can be easily mounted by the peel and stick
method to the frame or other convenient area
• Records the installation date and displays hours of runtime for 1 minute.
It flashes the runtime every 10 seconds while your engine is running
and also displays runtime at power down for 2 minutes, so you have
plenty of time to get your helmet off before checking the display
• PC Racing is so confident that motominder is the most reliable engine hour meter available that it is backed by a 2-year manufacturer’s replacement warranty
• Applications: All gas engines
SWINGARM BEARING KITS
• Contains all of the bearings, shafts, seals, bushings, thrust bearing (if
required) in one all inclusive
kit to do the
job correctly and completely
• Shafts are
manufactured from 52100 bearing steel for improved performance and extended life• Teflon® coated washers in place of the thrust needle bearings offer superior resistance
to dirt and
water that leads to premature failure
Sample kit shown; all kits vary by model
P# MXP023101 MXP:$34.95
PRO TAPER® 420MX CHAIN 134L
Premium gold series Motocross chain
for 50cc to 125cc applications
ultra high strength chromoly construction with a
lb. tensile strength
.190 POLISHED ALUMINUM WHEELS
• 1-piece construction with reinforced centers for maximum
• Designed for tube or tubeless
• Rolled edges and bead-locks for safe
• 35% stronger than conventional
• Looks great due to state-of-the-art
spinning and buffing equipment