Snowmobile Yamaha Phazer PZ50W, PZ50GTW, PZ50FXW, PZ50MW, PZ50VTW, PZ50MPW. Manual - part 17

2-56

INSP

ADJ

GEAR SELECTION

1 Chain and sprocket part number

2 Gear ratio

3 Secondary sheave spring

È Parts name

É Teeth & links

Ê Parts no.

Ë Standard

Ì Drive sprocket

17 teeth

8GC-17682-70

PZ50M “USA/Canada”

18 teeth

8GC-17682-80

PZ50/PZ50FX/

PZ50VT “Europe”/PZ50MP

19 teeth

8GC-17682-90

PZ50M “Europe”/

PZ50VT “USA/Canada”

20 teeth

8GC-17682-00

PZ50GT

Í Driven sprocket

40 teeth

8GC-47587-00

41 teeth

8GC-47587-10

PZ50/PZ50GT/PZ50FX/PZ50M

45 teeth

8GC-47587-50

PZ50VT/PZ50MP

46 teeth

8GC-47587-60

ΠChain

80 links

94591-63080

PZ50/PZ50GT/PZ50FX/PZ50M

82 links

94591-63082

PZ50VT/PZ50MP

È Drive gear

17 teeth

18 teeth

19 teeth

20 teeth

É Driven gear

40 teeth

2.11

80 links

2.00

80 links

41 teeth

2.41

80 links

2.28

80 links

2.16

80 links

2.05

80 links

45 teeth

2.65

82 links

2.50

82 links

2.37

82 links

2.25

82 links

46 teeth

2.71

82 links

2.56

82 links

2.42

82 links

È Part No.

É Spring rate

N · mm/rad

(kg · mm/rad)

Ê Preload

N/mm 

(kg/mm, lb/in)

Ë Color

Ì Wire gauge

mm (in)

Í No. of coils Î

 Free length

mm (in)

Ï Outside 

diameter

mm (in)

РStandard

90508-50571

7071 (721)

8.7 (0.89, 49.84)

Pink

5.0 (0.197)

4.74

85 (3.35)

65 (2.559)

90508-50746

7071 (721)

8.7 (0.89, 49.84)

White

5.0 (0.197)

4.74

93.5 (3.68)

65 (2.559)

90508-55012

8125 (829)

9.0 (0.92, 51.52)

Brown

5.5 (0.217)

5.99

85 (3.35)

66 (2.598)

90508-55007

9131 (931)

10.6 (1.08, 60.48)

Red

5.5 (0.217)

5.33

85 (3.35)

66 (2.598)

PZ50/PZ50GT/

PZ50FX/PZ50M

90508-58007

10098 (1030)

11.3 (1.16, 64.96)

Blue

5.8 (0.228)

5.99

85 (3.35)

66 (2.598)

PZ50VT/PZ50MP

90508-60015

11603 (1183)

13.1 (1.34, 75.04)

Yellow

6.0 (0.236)

5.99

85 (3.35)

66 (2.598)

2-57

INSP

ADJ

GEAR SELECTION

4 Secondary spring twist angle

90508-55007 (Red)

90508-55012 (Brown)/90508-58007 (Blue)/90508-60015 (Yellow)

5 Torque cam (secondary spring seat)

È Seat

1

2

3

4

É Sheave

C

35°

65°

95°

5°

A

45°

75°

105°

15°

B

55°

85°

115°

25°

È Seat

1

2

3

4

É Sheave

C

40°

70°

100°

10°

A

50°

80°

110°

20°

B

60°

90°

120°

30°

É Effects

Ê Part no.

Ë Cam angle

Ì Identification mark

Í Standard

ΠQuicker upshifting dur-

ing acceleration

Ï Quicker backshifting 

under load

89N-17684-01

42°

89N-01

88R-17684-03

39°

88R-03

PZ50/PZ50GT/

PZ50FX

8AT-17684-01

37°

8AT-01

PZ50M/PZ50VT/

PZ50MP

1

2

3

4

89N01

È

Identification mark

2-58

INSP

ADJ

GEAR SELECTION

6 Primary spring

Ë Parts No.

Ì Spring rate

N/mm

(kg/mm)

Í Preload
N/mm (kg)

ΠColor

Ï Wire gauge

mm (in)

РOutside 

diameter

mm (in)

Ñ No. of coils Ò

 Free length

mm (in)

Ó Standard

90501-481J1

9.8 (1.0)

196 (20)

Silver-Blue-Silver

4.8 (0.189)

60 (2.362)

5.16

85.4 (3.362)

90501-487G8

14.7 (1.5)

147 (15)

Gold

4.8 (0.189)

60 (2.362)

4.19

75.4 (2.969)

90501-507G2

14.7 (1.5)

196 (20)

Gold-Blue-Gold

5.0 (0.197)

60 (2.362)

4.61

78.7 (3.098)

90501-507G7

17.2 (1.75)

147 (15)

Red-Gold-Red

5.0 (0.197)

60 (2.362)

4.24

74.0 (2.913)

90501-521J6

14.7 (1.5)

294 (30)

Gold-Pink-Gold

5.2 (0.205)

60 (2.362)

5.09

85.4 (3.362)

90501-524G4

17.2 (1.75)

245 (25)

Red-Yellow-Red

5.2 (0.205)

60 (2.362)

4.64

79.7 (3.138)

90501-524G5

14.7 (1.5)

245 (25)

Gold-Yellow-Gold

5.2 (0.205)

60 (2.362)

5.08

82.1 (3.232)

90501-525J8

19.6 (2.0)

294 (30)

Blue-Pink-Blue

5.2 (0.205)

58.4 (2.299)

4.43

80.4 (3.165)

90501-526G4

19.6 (2.0)

147 (15)

Blue-Gold-Blue

5.2 (0.205)

60 (2.362)

4.32

72.9 (2.870)

PZ50VT “Europe”/

PZ50MP

90501-526J9

17.2 (1.75)

294 (30)

Red-Pink-Red

5.2 (0.205)

58.4 (2.299)

4.77

82.5 (3.248)

90501-527G1

17.2 (1.75)

196 (20)

Red-Blue-Red

5.2 (0.205)

60 (2.362)

4.65

76.8 (3.024)

90501-550J8

22.1 (2.25)

294 (30)

White-Pink-White

5.5 (0.217)

60 (2.362)

4.62

78.7 (3.098)

90501-553G0

19.6 (2.0)

245 (25)

Blue-Yellow-Blue

5.5 (0.217)

59.3 (2.335)

5.10

78.0 (3.071)

90501-553G6

22.1 (2.25)

245 (25)

White-Yellow-White

5.5 (0.217)

59.3 (2.335)

4.61

76.5 (3.012)

90501-555J9

22.1 (2.25)

343 (35)

White-Silver-White

5.5 (0.217)

59.0 (2.323)

4.66

81.0 (3.189)

90501-556G5

22.1 (2.25)

196 (20)

White-Blue-White

5.5 (0.217)

60 (2.362)

4.62

74.3 (2.925)

90501-556G6

19.6 (2.0)

196 (20)

Blue

5.5 (0.217)

60 (2.362)

4.95

75.4 (2.969)

90501-556G7

24.5 (2.5)

196 (20)

Yellow-Blue-Yellow

5.5 (0.217)

60 (2.362)

4.36

73.4 (2.890)

PZ50VT “USA/Can-

ada”

90501-557G5

24.5 (2.5)

147 (15)

Yellow-Gold-Yellow

5.5 (0.217)

60 (2.362)

4.36

71.4 (2.811)

90501-557G6

22.1 (2.25)

147 (15)

White-Gold-White

5.5 (0.217)

60 (2.362)

4.62

72.1 (2.839)

90501-581J7

24.5 (2.5)

245 (25)

Yellow

5.8 (0.228)

60 (2.362)

4.96

75.4 (2.969)

90501-582J1

24.5 (2.5)

294 (30)

Yellow-Pink-Yellow

5.8 (0.228)

60 (2.362)

4.96

77.4 (3.047)

90501-585J3

27.0 (2.75)

294 (30)

Green-Pink-Green

5.8 (0.228)

59.6 (2.346)

4.64

76.3 (3.004)

90501-586J0

24.5 (2.5)

343 (35)

Yellow-Silver-Yellow

5.8 (0.228)

59.6 (2.346)

4.91

79.4 (3.126)

90501-602J0

29.4 (3.0)

294 (30)

Pink

6.0 (0.236)

60 (2.362)

4.74

75.4 (2.969)

90501-604G0

29.4 (3.0)

235 (24)

Pink-Yellow-Pink

6.0 (0.236)

60 (2.362)

4.80

73.3 (2.886)

90501-605G7

26.9 (2.74)

235 (24)

Green-Yellow-Green

6.0 (0.236)

60 (2.362)

5.00

74.1 (2.917)

PZ50M

90501-605J5

31.9 (3.25)

294 (30)

Orange-Pink-Orange

6.0 (0.236)

60 (2.362)

4.53

74.6 (2.937)

90501-606G9

29.4 (3.0)

196 (20)

Pink-Blue-Pink

6.0 (0.236)

60 (2.362)

4.86

72.1 (2.839)

PZ50/PZ50GT/

PZ50FX

90501-607G0

27.0 (2.75)

196 (20)

Green-Blue-Green

6.0 (0.236)

60 (2.362)

5.12

72.7 (2.862)

90501-607G3

29.4 (3.0)

147 (15)

Pink-Gold-Pink

6.0 (0.236)

60 (2.362)

4.86

70.4 (2.772)

90501-607G4

27.0 (2.75)

147 (15)

Green-Gold-Green

6.0 (0.236)

60 (2.362)

5.12

70.9 (2.791)

É

Spring rate color

Ê

Preload color

È

Spring identification color code

2-59

INSP

ADJ

GEAR SELECTION

7 Clutch weight

È Parts No.

É Weight g (oz) 

without bush 

and rivets

Ê Shape & ID mark

Ë Standard

8BU-17605-20

45.41 (1.603)

8DN-17605-30

39.76 (1.404)

PZ50M

8ES-17605-00

54.63 (1.928)

8FA-17605-10

63.81 (2.251)

8FN-17605-00

75.28 (2.657)

8FP-17605-00

67.81 (2.394)

8FS-17605-00

65.52 (2.313)

8GC-17605-00

47.28 (1.669)

PZ50/PZ50GT/

PZ50FX/PZ50VT/

PZ50MP

8B
U

10

8DN

10

8ES

00

8F
A

00

8FN

00

8FP

00

8FS

00

8GC

00