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DDM stocks a full line of parts for the Chung Yang GP420 engine with 40mm cylinder bore, and Chung Yang GP460 engine with 42mm cylinder bore.
For scooters: The GP420 comes stock on the GTR40 Trail Ripper, SGSR42R, and Super Go-Quad 40. The GP460 comes stock on the GTR46 Trail Ripper, SGSR46R, Super Go-Quad 46, and Trail Ripper Quad 46. Both can also be fitted to the GSR25, GSR26R, GSR29R, and Super Go-Quad 30 when used together with the 78mm motor mount assembly. Select the products you need.
   
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av48x - Walbro Carb Choke Lever
$2.00
Select color:

Quantity

   
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av798 - GP420 / GP460 Throttle Cable Guide
$1.80

Quantity

   
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av800 - Walbro HDA-223 Carb (GP420 / GP460) w/Free Choke Lever
$65.00
Select your options:

Quantity

   

av801 - GP420 / GP460 Carburetor Gasket
$3.50

Quantity

   
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av802 - GP420 / GP460 Insulator Manifold
$13.00

Quantity

   
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av803 - GP420 / GP460 Insulator Gasket
$2.25

Quantity

   

av827 - GZ25N Insulator Bolt / GP420 / GP460 Cylinder Bolt
$0.50

Quantity

   

av834 - GZ25N Reed Valve Bolt / GP420 / GP460 Muffler Cover Bolt
$0.50

Quantity

   

bb870- GP420 4+HP Engine w/Inner Clutch
$335.75 $225.00 On Sale!

Quantity

   
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bb88x - GP460 4.2+ HP Engine w/Inner Clutch
$255.00
Select:

Quantity

   
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ca18x - Piston Stopper Tool
$9.50
Select color:

Quantity

   

ca193 - Piston Pin Clip Pliers Tool
$39.00

Quantity

   
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ca194 - Zenoah Piston Pin Pusher Tool
$9.50

Quantity

   

ca507 - G43L / GP420 / GP460 Piston Pin Snap Rings(backorder)
$2.25

Quantity

   

ca518 - G43L / GP420 Piston Pin
$6.75

Quantity

   

ca519 - G43L / GP420 / GP460 Piston Pin Washer Set
$10.25

Quantity

   

ca520 - G43L / GP420 / GP460 Piston Pin Bearing (backorder)
$13.75

Quantity

   
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ca568 - .005 Copper Cylinder Gasket for GP420 / GP460 Engine
$9.50

Quantity

   
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ca569 - .020 Copper Cylinder Gasket for GP420 / GP460 Engine
$9.50

Quantity

   
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ca570 - Complete GP420 Cylinder and Piston Kit
$119.00

Quantity

   
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ca571 - GP420 / GP460 Cylinder Gasket
$2.55

Quantity

   
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ca573 - GP420 40mm Piston Ring
$5.90

Quantity

   
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ca580 - GP460 46cc Piston Kit
$39.00

Quantity

   
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ca581 - GP460 46cc Big-Bore Kit
$89.00

Quantity

   
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ca582 - GP460 42mm Piston Ring
$5.90

Quantity

   

ca613 - GZ25N Cylinder Plate Bolt / GP420 / GP460 Pulley Bolt
$0.50

Quantity

   

dd265 - Crankcase Bolt (M5 x 30) fits all Zenoah & CY RC Engines
$0.35

Quantity

   
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dd529 - GP420 / GP460 Crankcase Bearing Set
$18.00

Quantity

   
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dd530 - GP420 / GP460 Crankshaft
$79.00

Quantity

   
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dd531 - GP420 / GP460 Crankcase Assembly
$85.00

Quantity

   

dd532 - 420/460 Crankcase Gasket
$2.00

Quantity

   

dd698 - G62 / GP420 / GP460 Small Oil Seal
$7.50

Quantity

   

dd699 - G62 / GP420 / GP460 Large Oil Seal (backorder)
$6.60

Quantity

   

dr231 - Flywheel Nut
$0.80

Quantity

   

dr235 - Zenoah Flywheel Key
$1.35

Quantity

   

dr236 - CY Flywheel Key
$1.25

Quantity

   

dr330 - Zenoah Flywheel Air Gap Gauge Tool
$4.50

Quantity

   
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dr531- GP420 / GP460 Flywheel (backorder)
$33.00

Quantity

   

ee132 - NGK CMR7H Spark Plug
$4.50

Quantity

   

ee134 - NGK CR7HIX Iridium Spark Plug
$9.50

Quantity

   

ee215 - Kill Switch Cord Complete
$3.50

Quantity

   

ee220 - Spark Plug Cap
$1.75

Quantity

   
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ee640 - GP420 / GP460 Ignition Coil
$29.75

Quantity

   

eg208 - Cover Screw (Fan Cover Side)
$0.35

Quantity

   

eg210 - G23LH / GP290 / GP420 / GP460 Grommet (Fan Cover Slot)
$0.40

Quantity

   

eg306 - Starter Screw - RC Engines M4 x 15
$0.40

Quantity

   
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eg580 - GP420 / GP460 Fan Cover
$21.00

Quantity

   
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eg581 - GP420 / GP460 Spring-Loaded Pullstart
$29.50

Quantity

   

eg582 - GP420 / GP460 Starter Engagement Disk(backorder)
$5.00

Quantity

   

eg585 - GP420 / GP460 Engine Cover
$10.00

Quantity

   
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eg586 - Chrome GP420 / GP460 Engine Cover
$17.00

Quantity

   
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eg586+eg587+eg588 - GP420 / GP460 Engine Chrome Kit
$69.00

Quantity

   
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eg587 - Chrome GP420 / GP460 Pull Start Assembly
$35.00

Quantity

   
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eg588 - GP420 / GP460 Chrome-Plated Fancover
$29.00

Quantity

   
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fd150 - DDM "Dominator" Silenced GTR46 / SGSR46R / QUAD / RIOT Pipe
$159.00

Quantity

   
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fd250 - GP460 Muffler /Spark Arrestor(backorder)
$62.00

Quantity

   
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fd252 - GP420 / GP460 Muffler Gasket
$3.25

Quantity

   

fd253 - GP420 / GP460 Muffler (backorder)
$42.50

Quantity

   
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fd254 - GP420 / GP460 Muffler Cover
$9.95

Quantity

   

fd267 - G43L / GP290 / GP420 / GP460 Muffler Bolt
$2.75

Quantity

   
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gt398 - DDM Heavy-Duty Clutch Spring Set for GP420 / GP460 Engine
$18.00

Quantity

   

gt399 - DDM "Clutch Saver" Spring Set for GP420 / GP460 Engine
$15.00

Quantity

   
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gt400 - GP420 / GP460 / G43L 78mm Clutch Drum
$20.00

Quantity

   
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gt402 - GP420 / GP460 Clutch Spring
$4.00

Quantity

   

gt403 - GP420 / GP460 Clutch Shoe
$14.00

Quantity

   

gt405 - GP420 / GP460 Clutch Assembly
$54.00

Quantity

   

gt840 - 78mm Clutch Housing
$8.25

Quantity

   

gt841 - Zenoah 78mm Outer Clutch Housing Assembly
$51.00

Quantity

   
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hh550 - 78mm Motor Mount for GP420 / GP460 Engine
$59.00

Quantity

   
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hh551 - Complete 78mm Motor Mount for GP420 / GP460 Engine
$99.00

Quantity

   
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jj509 - Zenoah In-Tank Felt Clunk Fuel Filter
$6.50

Quantity


Questions? Email us:sales@davesmotors.com
Contact DDM via phone at 801.619.0235. We will be happy to assist you. FAX us at 801.619.0240.
Click here for ordering information and terms of sale.
Prefer not to order online? Click here for a downloadable order form in PDF format.
Live outside the USA? DDM ships worldwide. Email:international@davesmotors.com
©2008 Dave's Discount Motors, Inc.         228 West 12300 South, Suite 106     Draper, UT 84020