All part numbers in
BOLD MAGENTA
are new this year.
2014 PARTS EUROPE OFFROAD
ENGINE
EXHAUST
TIRES
TUBES &
WHEELS
TIRE
ACCESSORIES
ACCESSORIES
HANDLEBARS
& CONTROLS
FOOT
CONTROLS
BODY
GRAPHICS
& SEATS
SPROCKETS
CHAINS
BRAKES
SUSPENSION
ELECTRICAL
& GAUGES
ENGINE
FUEL/AIR
SYSTEMS
CHEMICALS
& LUBRICANTS
HARDWARE
& TOOLS
TRANSPORT
& TRAILER
RIDER
ACCESSORIES
MERCHANDISING
INDEX
574
HIGH-PERFORMANCE FORGED 2-STROKE PRO-LITE™ PISTONS
•Dedicated forging
•Precision machined, highest quality materials for strength and reduced friction
•High-performance ring set
•Highest quality alloy pin
•Extended life and sustained power
•Consistently true and durable
•Chosen by top race teams, in all forms of racing
HIGH-PERFORMANCE FORGED 4-STROKE PISTONS
•Dedicated forging
•Dome design
•Chrome plated piston pin
•Dedicated rings
•Horizontal slot pin oiling
•Pressure seal groove
•Lightweight and superior strength
•Improved flame travel
•Maximum compression and oil control
•Smooth edges for improved combustion flow
2-STROKE GP SERIES PISTONS
•Offer additional features over Pro-Lite™ pistons
•Each piston is E-Coated on the crown, ring grooves and pin bore for maximum wear resistance
•Removed boost ports for a more predictable power band and increased pull on the top end
4-STROKE RACER’S CHOICE PISTONS
•Own and use the same race parts as all the top race teams
•High-tech designs offer maximum compression ratios, ultra-stiff strutted forgings and titanium nitride-coated rings
•When blow-by starts to increase on other pistons, Racer’s Choice pistons continue sealing and performing
NOTE: Service intervals may be increased with Racer’s Choice pistons over conventional Wiseco pistons and are for expert
racers and tuners only.
TOP END PISTON KITS
•Kits include pistons, rings, pins, clips, top end gasket kit and needle bearing when applicable
FITS MODEL
BORE (MM) X
STROKE (MM)
DISPL.
(CC)
BORE
SIZE (MM)
OVER
SIZES (MM)
TOP END
KIT PART # PISTON PART #
REPL. RING
SET PART #
REPL. CIRCLIPS
PART #
REPL. WRIST
PIN PART #
TOP‑END
BEARING PART #
BMW 4‑STROKE
G 450 X 08‑12
40,2
98,0
‑
0903‑0861
0912‑0425
CW20
0913‑0198
‑
11,6:1 Standard Compression
x
39,3
G 450 X 08‑12
98
98,0
STD
‑
0903‑0862
0912‑0425
CW20
0913‑0198
‑
13,5:1 Compression
x
59
GAS GAS 2‑STROKE
EC 125 00‑01, MC 125 01
54
125
54,0
STD
‑
726M05400
2126CST
CW15
S‑467
‑
Ceramic Composite
x
54,5
0,5
‑
726M05450
2146CS
54,5
55,0
1,0
‑
726M05500
2165CS
56,0
2,0
‑
726M05600
2205CS
PISTONS continued on next page.
WRIST PINS
•Wiseco wrist pins are strong, lightweight and can be used with OEM
pistons, too
•Wiseco 2-stroke pistons include a wrist pin unless indicated otherwise
CIRCLIPS
•Two high-strength, easy-to-install circlips are furnished with every piston
•Order additional inventory from the chart below
TOP END BEARINGS
•High-quality bearings are
manufactured to the highest
standards; case-hardened for
maximum life and smooth
operation at high engine speeds
REPLACEMENT
RING SETS
•Each ring set is for one piston
NOTE: Wiseco rings fit only Wiseco pistons.
PART #
O.D./LENGTH
0913‑0004 15 mm/46,99 mm
(1,85”)
0913‑0005 13 mm/38,86 mm
(1,53”)
0913‑0006 14 mm/1,78”
0913‑0007 17 mm/2,06”
0913‑0008 16 mm/1,63”
0913‑0009 19 mm/1,98”
0913‑0010 12 mm/1,41”
0913‑0011 20 mm/2,00”
0913‑0012 20 mm/1,986”
0913‑0013 20 mm/1,98”
0913‑0014 12 mm/1,22”
PART #
O.D./LENGTH
0913‑0015 15 mm/1,85”
S‑255
16 mm/1,965”
S‑256
16 mm/2,050”
S‑257
18 mm/2,200”
S‑259
16 mm/2,300”
S‑270
16 mm/1,840”
S‑277
18 mm/2,580”
S‑278
18 mm/2,475”
S‑280
18 mm/2,160”
S‑288
14 mm/1,625”
S‑343
18 mm/2,370”
S‑376
19 mm/2,500”
PART #
O.D./LENGTH
S‑394
14 mm/1,860”
S‑459
18 mm/1,850”
S‑467
15 mm/1,614”
S‑477
18 mm/2,075”
S‑482
18 mm/1,948”
S‑484
18 mm/2,291”
S‑486
16 mm/2,175”
S‑508
18 mm/2,1062”
S‑511X 18 mm/2,244”
S‑512X 20 mm/2,362”
S‑513
18 mm/2,300”
S‑514
16 mm/1,750”
PART #
O.D./LENGTH
S‑517
14 mm/1,509”
S‑520
20 mm/2,362”
S‑522
15 mm/2,200”
S‑523
17 mm/2,430”
S527
21 mm/2,126”
S‑529
21 mm/2,755”
S‑535
20,10 mm/2,8346”
S‑538
12 mm/1,5354”
DESCRIPTION
CW CIRCLIP
PART #
12 mm circlip CW12
13 mm circlip CW13
14 mm circlip CW14
15 mm circlip CW15
DESCRIPTION
CW CIRCLIP
PART #
16 mm circlip CW16
17 mm circlip CW17
18 mm circlip CW18
19 mm circlip CW19
DESCRIPTION
CW CIRCLIP
PART #
20 mm circlip CW20
21 mm circlip CW21
22 mm circlip CW22
22 mm circlip 0913-0200
DESCRIPTION
CW CIRCLIP
PART #
23 mm circlip CW23
24 mm circlip CW24
PART #
DIMENSIONS
(MM)
0924-0123
19 x 24,8
0924-0125
12 x 16 x 17,8
0923-0254
14 x 18 x 15,8
B1000
12 x 16 x 16
B1001
15 x 19 x 17
B1002
18 x 23 x 24
B1003
18 x 22 x 22
B1004
20 x 25 x 27,8
B1005
16 x 21 x 23
B1006
14 x 18 x 17,5
B1008
16 x 21 x 19,5
B1012
14 x 18 x 16
B1013
15 x 19 x 20
B1014
18 x 23 x 22
PART #
DIMENSIONS
(MM)
B1015
12 x 17 x 14,2
B1016
16 x 20 x 19,5
B1018
14 x 18 x 20
B1021
16 x 20 x 22,5
B1022X
18 x 22 x 23,6
B1023
20 x 25 x 25
B1030
22 x 27 x 24,8
B1031
20 x 25 x 23
B1037
18 x 22 x 19,65
B1038
15 x 20 x 17,8
B1041
12 x 15 x 14,5
B1042
12 x 15 x 16,3
REPLACEMENT CIRCLIPS
