B.A.K. Motorsports
Mini ATV Racing At It's Best
Phone: 724-880-3829
E-mail: info@bakmotorsports.net
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ENGINE PARTS

  • ALUMINUM CYLINDER WITH COMPLETE TOP END KIT
  • Each kit comes complete with cylinder, head, piston, rings, wrist pin, top bearing, clips, and gaskets.
  • Absolute best air cooled cylinder on the market!
  • 52mm & 53mm bores available.
  • 42mm is the stock stroke.
  • AL052045 52mm Bore use w/ 45mm Stroke
  • AL053045 53mm Bore use w/ 45mm Stroke
  • AL052042 52mm Bore use w/ 42mm Stroke
  • AL053042 53mm Bore use w/ 42mm Stroke
    MSRP $249.95
  • 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.
  • PORTCYL MSRP $374.95
  • 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 crankshaft must be changed to a 45mm stroke.
  • MB014472 (70cc)       MSRP $189.95
  • MB014540 (99-105cc) MSRP $244.95
  • 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.
  • HICOMPHD MSRP $64.95
  • REPLACEMENT HEAD
  • MC01447600 (47.6mm) MSRP $21.95
  • EEZ531054   (54mm)    MSRP $21.95
  • PISTON
  • Includes piston, rings, wrist pin and clips.
  • MF014471 (47.6mm) MSRP $31.95
  • 13617HA   (53mm)    MSRP $31.95
  • MF014542 (54mm)    MSRP $31.95
  • SINGLE RING RACE PISTON
  • Includes piston, ring, wrist pin and clips.
  • MF014522 (52mm) MSRP $31.95
  • FULL CIRCLE "STUFFER" CRANKSHAFTS

    Available on 40, 42, 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****

  • 39.2mm CRANKSHAFT
  • Stock 50cc crankshaft.
  • 39.2mm stroke.
  • CRANK39 MSRP $96.95
  • 42mm CRANKSHAFT
  • Stock 90cc crankshaft.
  • 42mm stroke.
  • CRANK42 MSRP $96.95
  • 45mm CRANKSHAFT
  • Use with Big Bore Kit to obtain 105cc.
  • CRANK45 MSRP $96.95
  • 48mm CRANKSHAFT
  • Use with Big Bore Kit to obtain 110cc.
  • Note: machining cases is necessary.
  • CRANK48 MSRP $189.95
  • 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.
  • WTRMC5245 MSRP $324.95
  • 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.
  • WTREL5245 MSRP $324.95
  • TOP END GASKETS
  • Includes head gasket and base gasket.
  • 47.6MMGSKT (47.6mm) MSRP $19.95
  • 52MMGSKT    (52mm)   MSRP $19.95
  • 53MMGSKT    (53mm)   MSRP $19.95
  • 54MMGSKT    (54mm)   MSRP $19.95
  • New DS 90 And Polaris Outlaw High Performance CDI


  • CAN-AM HI REV CDI WITH 3 DEGREE ADVANCE
  • Stock CDI only allows engine to rev to 7850 restricting the power.
  • 3 degree advance increases bottom end power and mid range.
  • CDICAN-AM MSRP $179.95
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  • POLARIS HI REV CDI WITH 3 DEGREE ADVANCE
  • Stock CDI only allows engine to rev to 7850 restricting the power.
  • 3 degree advance increases bottom end power and mid range.
  • CDIPOLARIS MSRP $179.95



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  • COMPLETE ANALOG PVL IGNITION SYSTEM
  • Large Taper Flywheel fits Polaris and Eton.
  • Small Taper Flywheel fits Dinli, DRR, Apex, Kasea and Extreme.
  • PVL_70170H (Large Taper) MSRP $544.95
  • PVL_70184H (Small Taper) MSRP $544.95

  • ADJUSTABLE DC HI-PERFORMANCE CDI BOX
  • Most advanced brain box on the market for minis. Switches your ignition system from AC to DC for a much stronger and cleaner spark. Integrated computer chip advances timing 25 degrees on take off for best bottom end then retards back to zero as it reaches higher RPMs.
  • DCCDI MSRP $140.95
  • HI-PERFORMANCE COIL
  • Produces a stronger spark for hi-performance motors.
  • HIPERCOIL MSRP $29.95
  • DOUBLE GEARS RACE TRANSMISSION
  • DBLGEARS MSRP $259.95
  • DINLI TRANSMISSION GASKET
  • E060046 MSRP $18.95
  • FLYWHEEL PULLER
  • Use this tool to easily remove the flywheel.
  • FL004521 MSRP $22.95
  • HI-REV COOLING FAN
  • Hi-rev low profile cooling fan with less resistance for quicker acceleration and stronger fins for more durability at high rpm.
  • DF001000 (50cc & 90cc) MSRP $19.95
  • COOLING FAN
  • Quality cooling fan with custom looking chrome or carbon fiber finish.
  • NA014M00 (chrome) MSRP $19.95
  • NA014C00 (carbon)  MSRP $19.95

  • CARBON FIBER AIR SHROUD
  • Add a totally custom carbon fiber look to your quad.
  • NB014C00 MSRP $29.95
  • CHROME AIR SHROUD
  • Add a totally custom chrome look to your quad.
  • NC014C00 MSRP $29.95
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                    CLUTCH PARTS    

    New DS 90 And Polaris Outlaw High Performance Rear Clutch


  • KOSO DELTA ADJUSTABLE CLUTCH
  • Fully adjustable rpm engagement
  • Increases torque and positive hook up for better holeshot.
  • Bell housing FG107000 is needed with the clutch sold separately
  • FA014004 MSRP $229.95 

  • KOSO POSI GRIP CLUTCH HOUSING
  • Clutch housing with a special inner surface for a positive grip when clutch engages.
  • The more horsepower you have the more you need this!
  • FG107000 MSRP $74.95 

  • REAR CLUTCH COMPRESSION SPRING
  • High quality compression spring with a special hi-efficiency coating to resist heat build up.
  • 4-Stroke power works best with this 1000 rpm torque spring.
  • FH014101 (1000 rpm) MSRP $16.95 



                                       
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  • COMPLETE ADJ. CLUTCH ASSEMBLY
  • Adjustable Clutch
  • 1500 rpm Shift Springs
  • 1500 rpm Compression Spring (FNA01001)
  • 2000 rpm Compression Spring (FNA01002)
  • Posi-Grip Housing
  • Complete clutch assembly using the finest springs, clutches and housing already assembled at an affordable price.
  • FNA01001 (1500/1500) MSRP $324.95
  • FNA01002 (1500/2000) MSRP $324.95
  • COMPLETE LIGHTENED CLUTCH ASSEMBLY
  • Lightened Hi-Rev Clutch
  • 1500 rpm Shift Springs
  • 1500 rpm Compression Spring
  • Posi-Grip Housing
  • Complete clutch assembly using the finest springs, clutches and housing already assembled at an affordable price.
  • FNA01000 (1500/1500) MSRP $324.95
  • ADJUSTABLE REAR CLUTCH
  • Adjustable weight postitions for modifying torque delivery. Shift spring location is adjustalbe for different RPM.
  • Recommended for hare scrambles and hill climbing.
  • FA014003 (50cc & 90cc) MSRP $209.95
  • LIGHTENED HI-REV REAR CLUTCH
  • This rear clutch is lighter than a stock unit for quicker revs and has larger pad surfaces for more positive grab and better acceleration.
  • Recommended for motocross and TT racing.
  • FA014001 (50cc & 90cc) MSRP $182.95
  • POSI-GRIP REAR CLUTCH HOUSING
  • Clutch housing with a special inner surface for a positive grip when clutch engages.
  • The more horsepower you have the more you need this!
  • FG029002 (50cc & 90cc) MSRP $84.95
  • CLUTCH POWER UP KIT
  • Install this complete kit for greater top end speed, smoother shifts and better holeshots.
  • This is an absolute must for racing!
  • FN014000 (50cc) MSRP $139.95
  • FN035000 (90cc) MSRP $139.95
  • FRONT CLUTCH VARIETER
  • Front clutch with different degree belt surface designed for greater top end speed.
  • Made from a tough nickel alloy for exteded life.
  • FB014002 (50cc) MSRP $72.95
  • FB035002 (90cc) MSRP $72.95
  • FRONT CLUTCH VARIETER FACE PLATE
  • This face plate with matching degree belt surface should be purchased and installed with the front clutch varieter.
  • FD014001 (50cc) MSRP $39.95
  • FD035001 (90cc) MSRP $39.95
  • CLUTCH X-POWER ROLLERS
  • Hi-performance rollers desinged for racing.
  • FJ401030 (3g)    MSRP $19.95
  • FJ401035 (3.5g) MSRP $19.95
  • FJ401040 (4g)    MSRP $19.95
  • FJ401045 (4.5g) MSRP $19.95
  • FJ401050 (5g)    MSRP $19.95
  • FJ401055 (5.5g) MSRP $19.95
  • FJ401060 (6g)    MSRP $19.95
  • FJ401070 (7g)    MSRP $19.95
  • FJ401080 (8g)    MSRP $19.95
  • REPLACEMENT SLIDERS
  • FK016001 MSRP $14.95
  • REAR CLUTCH COMPRESSION SPRING
  • High quality compression spring with a special hi-efficiency coating to resist heat build up.
  • (50cc and 90cc)
  • FH014101 (1000 rpm) MSRP $16.95
  • FH014151 (1500 rpm) MSRP $16.95
  • FH014201 (2000 rpm) MSRP $16.95
  • FH014204 (2400 rpm) MSRP $16.95
  • REAR CLUTCH SHIFT SPRINGS
  • High quality shift springs with a special hi-efficiency coating to resist heat build up.
  • Set of 3 springs (50cc and 90cc)
  • FI014101 (1000 rpm) MSRP $6.95
  • FI014151 (1500 rpm) MSRP $6.95
  • FI014201 (2000 rpm) MSRP $6.95
  • CLUTCH SPRING SLIDER
  • State of the art design prevents spring wind up and distortion of the rear clutch compression spring.
  • FM014000 (50cc & 90cc) MSRP $28.95
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