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ALL PRODUCTS ALSO WORK FOR
THE 1979 & LATER XL100
STOCK SPECIFICATIONS: 53mm BORE X 45mm STROKE
9.4:1 COMPRESSION
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BORE
KIT 110CC
55mm piston, 11.5:1 compression
INCLUDES: Piston, pin, rings,
circlips, headgasket, basegasket.
REQUIRES: Boring, rejetting.
RECOMMENDATIONS: We recommend
our Camshaft and a Thrust Chamber or Nozzle with this kit for the best
overall performance!
CHOOSE MODEL YEAR
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1992-Current #00332 H BORE KIT 110CC -- $179.00
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1979-1991 #00333 H BORE KIT 110CC -- $179.00
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BORE
KIT 120CC
58mm
piston, 11.5:1 Compression
INCLUDES: Sleeve, forged
piston, pin, rings, circlips, headgasket.
REQUIRES: Re-sleeving, case
machining and boring. Race Gas mix, at least 1/2 with premium pump fuel.
CHOOSE MODEL YEAR
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1992-2000:
00309F H BORE KIT 120CC -- $215.00
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1979-1991:
00307F H BORE KIT 120CC -- $215.00
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BORE
KIT 120cc ~SPECIAL~ HIGHER COMPRESSION
58mm
piston, 12:1 Compression
Our original hand-built cast piston kit.
INCLUDES: Sleeve, cast piston,
pin, rings, circlips, headgasket.
REQUIRES: Re-sleeving, case
machining and boring. Race Gas 110 Octane or greater.
CHOOSE MODEL YEAR
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1992-2000:
00309 H BORE KIT 120CC SPECIAL ORDER -- $285.00
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1979-1991:
00307 H BORE KIT 120CC SPECIAL ORDER -- $285.00
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6.0mm STROKER
51mm Total Stroke.
113cc with Stock 53mm Bore. 121cc with 55mm Bore. 135cc with
58mm Bore.
Total displacement is 135cc
when used with our 120cc Bore Kit.
Price includes work only,
parts (if needed) are extra.
REQUIRES:
Send in your crank for modification. Download our
Stroker Booklet for
details.
58mm piston kits must use Powroll
sleeve with this stroke.
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16041 H STROKE XR100 --
$250.00
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9.0mm STROKER
54mm Total Stroke.
119cc with Stock 53mm Bore. 128cc with 55mm Bore. 143cc with
58mm Bore.
Total displacement is 150cc
when used with our 120cc Bore Kit.
Price includes work only,
parts (if needed) are extra.
REQUIRES:
Send in your crank for modification. Download our
Stroker Booklet for
details.
58mm piston kits must use Powroll
sleeve with this stroke.
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16090 H STROKE XR100 9MM -- $265.00
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RACE
GRIND CAMSHAFT
HARDWELD
CAM, NO CORE REQUIRED
Lift .280” IN/ .275” EX.
This camshaft is a great
addition to any modified engine. We recommend the High Performance Valve
Springs for more aggressive riders and larger displacement engines.
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12680N H CAM 75-80-100 -- $175.00
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VALVE SPRINGS
These utilize your stock
retainers and work well with most aftermarket cams.
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24001 H VALVE SPRINGS 75-80-100 -- $50.00
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CLUTCH SPRINGS - FITS 1987 & LATER MODELS ONLY
Recommended for larger
engines and larger riders!
CHOOSE MODEL YEAR
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1987-2000: 16751 H
CLUTCH SPGS 80-100 -- $21.00
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1979-1986: 16785
H CLUTCH SPRINGS XR75-80-100 EARLY -- $21.00
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1985 through 2000 Models -
POWROLL PERFORMANCE EXHAUST 1985-200 Models only
Our oversize header and 3”
Supertrapp are designed specifically to bring out the best in this small
engine without making it impossible for kids to ride. Spark Arrested & Forestry
Approved.
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18294 H EXH SYS XR80-100 -- $225.00
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