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STOCK SPECIFICATIONS: 57mm BORE X 48.8mm STROKE 9.5:1
COMPRESSION
FYI:
General Specifications for the KLX-DRZ125
(torque specs, etc.)
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143cc BORE KIT - HIGH COMPRESSION
61mm
Forged Piston. 12.5:1 Compression.
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CHECK OUT THE DOME ON THAT BABY!
Comparison of our 00331F (on the left) high compression with
the 00331S lo-comp. |
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If you're only doing one
modification to your 125, this is it!! Best bang-for-the-buck mod
you can do - at least a 20% increase over stock horsepower (more
with cam & pipe mods). High compression is the key
to great increases in torque and hp seen with this kit.
Our new piston design is made
in America from premium forgings. CNC lightened for the same
weight as the low compression piston. Use with our Camshaft and
Thrust Chamber for even better power.
INCLUDES: Forged piston, pin, rings,
circlips, headgasket, basegasket.
REQUIRES: Boring. Rejetting.
Must run race gas 108 octane or better.
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00331F S BORE KIT 143CC HI COMP -- $275.00
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143cc BORE KIT
61mm
Forged Piston. 11:1 Compression.
This lower
compression piston is the one we use with our stroker crank for the
170cc kit. Used alone, it will give the engine a small (10%) boost in
torque and midrange power. For real performance gains, we
strongly recommend the high compression kit shown above, or the 170cc
bore/stroke combination below. Made in
America from premium forgings.
INCLUDES: Forged piston, pin, rings,
circlips, headgasket, basegasket.
REQUIRES:
Boring. Rejetting.
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00331S S BORE KIT 143CC 11:1 -- $150.00
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170cc BORE & STROKE COMBINATION
61mm
Piston. 9mm Stroke. 13:1 Compression.
This kit gives the KLX-DRZ
awesome torque and midrange power. Pair it with our cam and ignition
system for power from the basement to the moon!
INCLUDES: Bore kit: Piston,
pin, rings, circlips, headgasket, basegasket. Stroke work done on your
good stock crank assembly.
REQUIRES: Boring.
Send in your crank for modification. Download our
Stroker Booklet for
details. Rejetting (Carb kit #20536 highly recommended). Race gas 108
octane or better.
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CAMSHAFT - RACE GRIND
BILLET
CAM, NO CORE REQUIRED
This new grind is specifically designed to give you the BEST power
possible for your Powrolled 125! An awesome increase in mid to top end
power when used with our ignition system.
Because the power curve of this cam pulls best after the stock rev
limiter kicks in, it is not recommended for use with stock ignition.
Uses stock valve springs.
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12616B S CAM 125 RACE -- $150.00
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CAMSHAFT - MIDRANGE GRIND
BILLET
CAM, NO CORE REQUIRED
This grind was designed by the Powroll R&D guys to work perfectly with
our 143cc bore kit and the stock ignition system. More midrange and top
end power without losing the excellent torque characteristics of the
bigger bore.
Uses stock valve springs.
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12615B S CAM 125 MIDRANGE -- $140.00
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26mm
MIKUNI ROUND SLIDE CARBURETOR
Perfect bolt-on power for
your Powrolled 125. Superior throttle response, better midrange and
awesome top end power. Best of all, it comes with detailed installation
instructions -- in English! Installs in minutes using your stock
throttle and airbox. Recommended for engines 143cc’s or larger.
KIT INCLUDES: 26mm Round
Slide Mikuni, pre-jetted for our 143cc kit. Extra main jets for larger
and smaller engine configurations. Detailed installation instructions
and jetting specifications.
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20536 S CARB KIT 26MM 125 -- $220.00
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THRUST CHAMBER - SPARK ARRESTED
This CNC machined billet
piece works in tandem with your stock exhaust system, installing in
the stock muffler for better power without increased sound levels.
Performance similar to many complete aftermarket exhaust systems!
Better throttle response and increased top end.
Works with stock spark
arrestor. Choose Gold, Silver or Blue.
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17103 Y S THRUST CHAMBER TTR/KLX/DRZ -- $45.00
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POWROLL PERFORMANCE EXHAUST
Our exhaust system works well
with your stock machine, and even better with the big bore engines. The
only system designed specifically for large displacement KLX-DRZ’s,
you’ll see at least a 15% gain in horsepower when you bolt it on.
INCLUDES: Oversize Powroll
header with Supertrapp 3” Spark Arrested Muffler.
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18348 S EXH SYS 125 -- $225.00
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POWROLL PVL IGNITION SYSTEM
Best bolt-on power you can
buy for your KLX.
The stock rev limiter on the
KLX-DRZ 125 doesn’t allow this great engine to reach its full potential.
Powroll created this kit to solve the problem!
Works with stock or modified
125’s for more power throughout the RPM range. Less Rotating Mass than
the stock system = quicker revving engine.
INCLUDES: ALL new ignition
parts: Low-resistance spark plug cap, coil, ignition unit, stator, rotor
and rotor puller. Step-by-step installation instructions are included -
in English!
RECOMMENDED: Because of the
aggressive low-rpm advance curve, kickstarting is not recommended on
cold engines running this ignition.
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18537 S IGNITION SYSTEM 125 -- $599.00
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CLUTCH SPRINGS
Stainless
steel for better strength and heat resistance.
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16784 S CLUTCH SPGS DRZ125 -- $26.00
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VENTED VALVE CAP
This Billet cap is not only a
stunning visual addition to your tricked out scoot, it produces more
power by allowing the engine to vent excess crankcase pressure. Reducing crankcase pressure
will allow your engine to rev higher and pull harder!
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18530 VENTED VALVE CAP -- $45.00
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