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2013 SM TUNING SPECS .pdf


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2013

2013 Snowmobile

Clutch, Gearing and Carburetor Tuning Specifications

2013 Yamaha Snowmobile Clutch, Gearing, and Carburetor Tuning Specifications
©2012 by Yamaha Motor Corporation, U.S.A.
November 2012
All rights reserved. Any reprinting
or unauthorized use
without the written permission of
Yamaha Motor Corporation, U.S.A.
is expressly prohibited.
Printed in U.S.A.
Specifications, features and operations are subject to
change without notice.
12-0680

Product Information / Specifications
STANDARD ABBREVIATIONS:
General
STD = Standard Setting
Eur. = European Setting
qt = quarts
Gearing
L = Number of Links
T = Number of Teeth
Clutch Rivets
ST = Steel
AL = Aluminum
Carburetion
MJ = Main Jet
NJ = Needle Jet
PJ = Pilot Jet
JN = Jet Needle Clip Position
PAJ = Pilot Air Jet
PS = Pilot Screw (turns out)
MN = Main Nozzle

This chapter provides the carburetion, clutching,
gearing and tuning specifications regarding various
elevations and ambient temperatures for all 2012
model snowmobiles. Refer to the charts to adjust for
primary use conditions. The PZ50MT, and FX10M
mountain models have gear and clutch settings
preset to 8,000 ft ~ 10,000 ft from the factory (North
America only). If a mountain model is to be operated
at lower elevation levels than the factory settings,
be sure to adjust the appropriate setting according to
the specification provided.
Yamaha makes every effort to provide you, the dealer,
with the most current and accurate specifications
available, however, specifications are subject to
change without notice.

MODELS

COUNTRY MODEL PREFIX
USA

CANADA

RX10PDB/W

8HG4

8HG4

RX10PSDB / W

8JC7

8JC7

8JC8

RX10PXTDB / W

8HN7

8HN7

8HN8

FX10DL

8JH1

8JH1

FX10M53SDB / L

8HU5

8HU5

8HU6

FX10M62SDB / L

8HR7

8HR7

8HR8

FX10RTRSDB / L

8HK9

8HK9

8HKA

FX10XT75DB / L

8JJ1

8JJ1

8JJ2

8JJ2

FX10XTDB / L

8HL9

8HL9

8HLA

8HLA

PZ50GTDW

8GK9

8GK9

PZ50MTDW

8GPD

8GPD

8GPE

PZ50RTDW

8GND

8GND

8GNE

PZ50VTDR

8GJD

8GJD

8GJE

PZ50MPDR

8GRD

8GRD

8GRE

RS90PDB / L

8HV2

8HV2

RS90PLTDB / L

8HW2

8HW2

RST90DS

8ETD

8ETD

RST90PGTDB / L

8HX3

8HX3

8HX4

8HX4

RST90PTFDB / L

8HY3

8HY3

8HY4

8HY4

VK10DG

8JE2

8JE2

8JE1

VK540ECD
8JM1

JAPAN

RUSSIA

8HR8

8GPE

8GPE

8GRE

8GRE

8HW3

VK540EAD / W
SRX120DL

EUROPE

8JM1

1

8JE1

8JD1

8JD1

8JD1

8JF1

8JF1

8JF1

RX10PD (8HG4) / RX10PSD (8JC7) – Tuning Specification
ALTITUDE
DESCRIPTION

~ 2,500 ft
(~ 800m)

CLUTCH
ENGAGEMENT

Approx 3,400 rpm

SHIFT SPEED

Approx 10,500 rpm

WEIGHT (ID)

2,000 ~ 4,500 ft
(600 ~ 1,400m)

6,000 ~ 8,500 ft
(1,800 ~ 2,600m)

Approx 3,600 rpm

8,000 ~ 10,000 ft
(2,400 ~ 3,000m)
Approx 3,700 rpm

8HG00

Rivet (OUTER)

Steel 13.3mm
w/ hole

Rivet (CENTER)

Steel 17.2mm

Steel 13.3mm
w/ hole

Rivet (INNER)

Steel 17.2mm
w/ hole

Steel 13.3mm

Bush

4,000 ~ 6,500 ft
(1,200 ~ 2,000m)

None
None
Steel 13.3mm
w/ hole

None

Vespel TP-8549

PRIMARY SPRING
Color
Length

Blue-Silver-Blue

Orange-Silver-Orange

90.9mm

84.2mm

Preload & Rate

35kgf-2.0kgf/mm

35kgf ~ 3.5kgf/mm

Wire Diameter

5.5mm

6.2mm

Outside Diameter

59.5mm

ROLLER
Outside Diameter
Bush
PRIMARY SHIM
SEC. TORQUE CAM

14.5mm
Vespel TP-8549
None
51° ~ 43°

SECONDARY SPRING
Color

Pink

Length

75mm

Preload

70° (1-6)

Rate

1,211kgf/mm/rad

Wire Diameter

6.0mm

Outside Diameter

69.5mm

SECONDARY SHIM
GEARING

1.0mm
24T/37T/70L

23T/37T/68L

22T/37T/68L

Drive Gear

24T

23T

22T

Driven Gear

37T

Chain

70L

68L

68L

(STANDARD)

2

Product Information / Specifications
RX10PD (8HG4) / RX10PSD (8JC7) – Parts List
ITEM

DESCRIPTION

PART NUMBER

DRIVE CHAIN

70 Links (STD)

94890-09070-00

68 Links

94890-09068-00

24T (STD)

8FA-17682-40-00

23T

8FA-17682-30-00

22T

8FA-17682-20-00

37T (STD)

8FB-47587-70-00

CLUTCH WEIGHT

8HG00 (STD)

8HG-17605-00-00

RIVET

Steel rivet 17.2mm (STD)

90261-06033-00

Steel rivet 17.2mm with hole (STD)

90269-06006-00

Steel rivet 13.3mm

90261-06019-00

Steel rivet 13.3mm with hole

90266-06002-00

Blue-Silver-Blue (STD)

90501-551L9-00

Orange-Silver-Orange

90501-624L8-00

GEARING

PRIMARY SPRING
PRIMARY CLUTCH SHIM

None

SECONDARY SPRING

Pink (STD)

90508-60012-00

TORQUE CAM

51° ~ 43° (STD)

8FA-17604-00-00

PRIMARY CLUTCH ROLLER

14.5mm (STD)

8FG-17624-00-00

ROLLER BUSH

Vespel

90386-09001-00

WEIGHT BUSH

Vespel

90386-08002-00

3

RX10PXTD (8HN7) – Tuning Specifications
ALTITUDE
DESCRIPTION

~ 2,500 ft
(~ 800m)

CLUTCH
ENGAGEMENT

Approx 3,400 rpm

SHIFT SPEED

Approx 10,500 rpm

WEIGHT (ID)
Rivet (OUTER)
Rivet (CENTER)
Rivet (INNER)
Bush

2,000 ~ 4,500 ft
(600 ~ 1,400m)

4,000 ~ 6,500 ft
(1,200 ~ 2,000m)

6,000 ~ 8,500 ft
(1,800 ~ 2,600m)

Approx 3,600 rpm

8,000 ~ 10,000 ft
(2,400 ~ 3,000m)
Approx 3,800 rpm

8HG00
Steel 13.3mm
w/ hole

Steel 13.3mm
w/ hole

None

Steel 17.2mm

Steel 13.3mm

Steel 13.3mm
w/ hole

Steel 17.2mm
w/ hole

Steel 13.3mm

None
None

Vespel TP-8549

PRIMARY SPRING
Color

Blue-Silver-Blue

Orange-SilverOrange

90.9mm

84.2mm

Preload & Rate

35kgf-2.0kgf/mm

35kgf ~ 3.5kgf/mm

Wire Diameter

5.5mm

6.2mm

Outside Diameter

59.5mm

Length

ROLLER
Outside Diameter
Bush
PRIMARY SHIM
SEC. TORQUE CAM

14.5mm
Vespel TP-8549
None
51° ~ 43°

SECONDARY SPRING
Color
Length
Preload
Rate

Pink
75mm
70° (1-6)
1,211kgf/mm/rad

Wire Diameter

6.0mm

Outside Diameter

69.5mm

SECONDARY SHIM

1.0mm

GEARING

23T/37T/68L

22T/37T/68L

21T/37T/68L

Drive Gear

23T

22T

21T

Driven Gear

37T

Chain

68L
(STANDARD)

4

Product Information / Specifications
RX10PXTD (8HN7) – Parts List
ITEM

DESCRIPTION

PART NUMBER

DRIVE CHAIN

68 Links

94890-09068-00

GEARING

23T (STD)

8FA-17682-30-00

22T

8FA-17682-20-00

21T

8FA-17682-10-00

37T (STD)

8FB-47587-70-00

CLUTCH WEIGHT

8HG00 (STD)

8HG-17605-00-00

RIVET

Steel rivet 17.2mm with hole (STD)

90269-06006-00

Steel rivet 17.2mm (STD)

90261-06033-00

Steel rivet 13.3mm

90261-06019-00

Steel rivet 13.3mm with hole

90266-06002-00

Blue-Silver-Blue (STD)

90501-551L9-00

Orange-Silver-Orange

90501-624L8-00

PRIMARY SPRING
PRIMARY CLUTCH SHIM

None

SECONDARY SPRING

Pink (STD)

90508-60012-00

TORQUE CAM

51° ~ 43° (STD)

8FA-17604-00-00

PRIMARY CLUTCH ROLLER

14.5mm (STD)

8FG-17624-00-00

ROLLER BUSH

Vespel

90386-09001-00

WEIGHT BUSH

Vespel

90386-08002-00

5

FX10D (8JH1) – Tuning Specifications
ALTITUDE
DESCRIPTION

~ 2,500 ft
(~ 800m)

CLUTCH
ENGAGEMENT

Approx 3,750 rpm

SHIFT SPEED

Approx 8,750 rpm

WEIGHT (ID)

2,000 ~ 4,500 ft
(600 ~ 1,400m)

4,000 ~ 6,500 ft
(1,200 ~ 2,000m)

8,000 ~ 10,000 ft
(2,400 ~ 3,000m)

Approx 3,850 rpm

Approx 3,950 rpm

Steel 13.3mm

Steel 13.9mm

8GL00

Rivet (OUTER)

Steel 10.3mm

Rivet (CENTER)

Steel 17.2mm

Steel 13.9mm

Steel 10.3mm

Rivet (INNER)

Steel 17.2mm

Steel 13.9mm

Steel 10.3mm

Bush

6,000 ~ 8,500 ft
(1,800 ~ 2,600m)

None
None

Vespel TP-8549

PRIMARY SPRING
Color
Length

Yellow-SilverYellow
87.4mm

Preload & Rate

35kgf-2.5kgf/mm

Wire Diameter

5.8mm

Outside Diameter

59.5mm

ROLLER
Outside Diameter
Bush
PRIMARY SHIM
SEC. TORQUE CAM

15.6mm
Vespel TP-8549
None
43°

SECONDARY SPRING
Color
Length
Preload
Rate
Wire Diameter

Pink-Pink
75mm
80° (1-6)
1,211kgf/mm/rad
6mm

Outside Diameter

69.5mm

SECONDARY SHIM

1mm

GEARING

21T/39T/68L

20T/39T/68L

19T/39T/68L

Drive Gear

21T

20T

19T

Driven Gear

39T

Chain

68L
(STANDARD)

6

Product Information / Specifications
FX10D (8JH1) – Parts List
ITEM

DESCRIPTION

PART NUMBER

DRIVE CHAIN

68 Links (STD)

94890-09068-00

GEARING

21T (STD)

8FA-17682-10-00

20T

8FA-17682-00-00

19T

8FA-17682-90-00

39T (STD)

8FB-47587-90-00

CLUTCH WEIGHT

8GL00 (STD)

8GL-17605-00-00

RIVET

Steel rivet 17.2mm (STD)

90261-06033-00

Steel rivet 10.3mm (STD)

90261-06015-00

Steel rivet 13.9mm

90261-06034-00

Steel rivet 13.3mm

90261-06019-00

PRIMARY SPRING

Yellow-Silver-Yellow (STD)

90501-581L1-00

PRIMARY CLUTCH SHIM

None

SECONDARY SPRING

Pink-Pink (STD)

90508-60018-00

TORQUE CAM

43° (STD)

8BV-17604-31-00

PRIMARY CLUTCH ROLLER

15.6mm (STD)

8FG-17624-20-00

ROLLER BUSH

Vespel

90386-09001-00

WEIGHT BUSH

Vespel

90386-08002-00

7


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