Note: Wiseco Pistons come with          rings,circlips and Pin
Wiseco piston std               $84.99
Wiseco piston .040             $84.99
Wiseco piston .080             $94.99
Wiseco rings  std                $39.99
Wiseco rings .040               $39.99
Head gasket    
Base gasket   
Piston pin 
Wristpin bearing
Circlips (pair)  
Clutch cover gasket       
OEM Yamaha 60cchead
 gasket  $11.99
  Note: 60cc engines use the same piston pin, base gasket, wristpin bearing and clips as the pw50
ENGINE
peeweecycle.com
MINI RACER PERFORMANCE PARTS AND SUPPLIES 
PW50 SPECIALISTS
Machining & Engine Mods
$44.99
Same kit as above with high compression performance head 
COMPLETE 60cc ENGINE KIT

- 60 CC CYLINDER
- CYLINDER HEAD
- PISTON AND RINGS
- WRISTPIN AND BEARING
- TOP END GASKETS
- CIRCLIPS


60cc Engine kit!
50cc Engine kit!

- 50CC CYLINDER STD BORE
- PISTON AND RINGS
- WRISTPIN AND BEARING
- TOP END GASKETS
- CIRCLIPS
$99.99
$194.98
50cc Engine Parts
Wiseco 50CC Pistons

Standard Top end kits
piston -rings -wristpin bearing - wristin - clips - gasket set
Top end Kit 50cc $19.99
Top end kit 60cc  $19.99
Pro X std piston kit 40.00mm             $69.99
Quality Japanese made piston kit! Kit comes with pictured items. Piston, Rings, Circlips & Pin. 

$155.99

$64.99

$24.99

$69.99

$49.99

$2.99

$7.99

$4.99

$9.99

$9.99

$2.99

$9.99

$57.98

$26.99

$84.99

$25.99

$10.99

$18.99
OEM Yamaha Cylinder
50cc Cylinder Head
OEM Yamaha Piston std
OEM Yamaha Rings std
$57.99
With new std cylinder head
Boyesen factory racing ignition cover.
Black
Boyesen factory racing ignition cover.
Blue
$59.99
$69.99
OEM copper head gasket 
BORE CYLINDER 
MILL CYLINDER FOR REV PLATE    
REV PLATE WELDED TO CYLINDER INCLUDES MILLING
CYLINDER PORTING                        
ADD BOOST PORT TO 60CC CYLINDER
OFFSET CYLINDER BORING TO BORE OEM 50 CYLINDER TO 60CC 
$85.00
$50.00
$175.00
$125.00
$75.00
$150.00
Shop Rates
peeweecycle includes a top end bearing and gaskets with all Wiseco pistons
OEM Bearing-crankshaft set
OEM Bearing-conrod
OEM Connecting rod
OEM Pin crankshaft      
OEM Seal-crank clutch side
OEM Seal-stator side     
Mill & rechamber head 50cc
Cylinder porting
With boost port added
Stock 60cc cylinder before boost port
$169.99
Same as 60cc kit but has the boost port cut in for maximum power.
For more information see machining at bottom of page.

OEM Yamaha Cylinder Head
$24.99
60cc Cylinder Head
includes head gasket
OEM-Crankshaft 1983-present      $260.99
50cc High Comp Head   $149.99
This is a modified oem head and will deliver up to 140 lbs of compression. Compare that to the stock 105-115 compression. The head is milled to our specs and the squish angle recut for optimum performance. This head runs very well on premium pump gas. Includes gasket.
60cc High Comp Head   $149.99
This is a modified Aftermarket head and will deliver up to 140 lbs of compression. Compare that to the stock 105-115 compression. The head is milled to our specs and the squish angle recut for optimum performance. This head runs very well on premium pump gas. Includes gasket.
60cc High Performance Head 
50cc Hi Performance Head