Chassis Specifications

Chassis Specifications
Model(s)
900RK
xjcdadmin Tue, 06/25/2013 - 13:26

1

Steering System
Steering Bearing Type
Bearing Type

Lock-to-iock Angle


Upper Lower

Taper roller bearing

KOYO 32005
KOYO 32006
40°

2.
a.
b.
c.

 

d.
e.

f.

g

Front Suspension
Front Fork Travel
Fork Spring Free Length
Spring Rate/Stroke

 


Optional Spring
Oil Capacity
or Oil Level

Oil Grade

Enclosed Air Pressure

K1

K2

150 mm (5.91 in)
522.5 mm (20.6 in)
7.2 N/mm (0.72 kg/mm, 40.3 lb/in)/
0 - 100 mm (0 - 3.94 in)
10.4 N/mm (1.04 kg/mm, 58.2 lb/in)/
100 — 150 mm (3.94 — 5.91 in)

No
286 ± 4 cm3
(10.1± 0.14 Imp oz, 9.67 ± 0.14 US oz)
164 mm (6.46 in)
(From top of inner tube fully compressed without spring.)
SAE 5W type SE motor oil or equivalent
39 kPa (0.4 kg/cm2, 5.7 psi)

3.
a.
b.
c.

d.
e.

Rear Suspension
Shock Absorber Travel
Spring Free Length
Spring Rate/Stroke

Optional Spring
Enclosed gas pressure

K1

K2


75 mm (2.95 in)
237 mm (9.33 in)
21.5 N/mm (2.15 kg/mm, 120.4 lb/in)/
0 -36 mm (0 - 1.42 in)
30.0 N/mm (3.0 kg/mm, 168.0 lb/in)/
36 — 75 mm (1.42 — 2.95 in)

No.
150 kPa (15 kg/cm2, 213 psi)

4.
a.

Rear Arm
Swingarm Free Play Limit


-End
-Side


1 mm (0.04 in)
1 mm (0.04 in)

5.
a.

b.

c.

Wheel
Front Wheel Type
Rear Wheel Type
Front Rim Size/Mat'l
Rear Rim Size/Material
Rim Runout Limit
- Vertical
- Lateral

  

Cast wheel
Cast wheel
MT 2.15 x 18/Aluminum
MT 2.75 x 18/Aluminum

<2.0 mm (0.08 in) >
<2.0 mm (0.08 in) >

6.
a.

b.

Disc Brake
Type

Outside Dia. x Thickness

Front
Rear
Front
Rear

Dual disc
Single disc
267 x 7.5 mm (10.5 x 0.30 in)
267 x8.5 mm (10.5 x 0.33 in)

c.

Pad Thickness
Front
Rear

Limit
Front
Rear

  


5.5 mm (0.22 in)
5.5 mm (0.22 in)

<0.5 mm (0.020 in) >
<0.5 mm (0.020 in) >

d.

e.

f.

Master Cylinder Inside Dia.

Caliper Cylinder Inside Dia.

Brake Fluid Type

Front
Rear
Front
Rear

15.87 mm (0.62 in)
12.7 mm (0.50 in)
42.85 mm (1.69 in) 4
2.85 mm (1.69 in)
D0T#3

7.
a.
b.
c.

Brake Lever & Brake Pedal
Brake Lever Free Play
Brake Pedal Free Play
Brake Pedal Position


5.0 — 8.0 mm (0.2 — 0.3 in)
20 — 30 mm (0.8 - 1.2 in)
30 mm (1.2 in)
(Vertical height below footrest top.)

8.

Clutch Lever Free Play

2 — 3 mm (0.08 -0.12 in)

Recommended combinations of the front fork and rear shock absorber settings. Use this table as guidance to meet specific riding and motorcycle load conditions.

 

Front fork

Rear shock absorber

Loading condition
 

Air pressure

Spring seat

Damping adjuster turns out*

Solo rider

With passenger

With

accessory

equipments

With

accessory

equipments

and passenger

1

39.2 — 78.5 kPa

(0.4 - 0.8 kg/cm2,

5.7 - 11.4 psi)

6

O

      

2

39.2 — 78.5 kPa

(0.4 - 0.8 kg/cm2, 5.7 - 11.4 psi)

4

  

O

    

3

58.8 — 98.1 kPa

(0.6 - 1.0 kg/cm2,

8.5 - 14.2 psi)

4

    

O

  

4

78.5 ~~ 118 kPa

(0.8 - 1.2 kg/cm2,

11.4 - 17.1 psi)

3

      

O

Each numeral shows the damping value which can be set when the pointer is aligned with the individual slit in the spring seat. The damping adjuster may be further turned for a softer or harder damping; in each of the above settings, itis recommended that the damping be adjusted by one (1) or two (2) clicks on the softer side and one (1) click on the harder side.

1 9. Tightening Torque

      

Parts to be tightened

Thread size

Tightening torque

Remarks

Nm

nrkg

ft-lb

CHASSIS:

          

Front wheel axle and nut

M14x 1.5

78

7.8

50

  

Front fender and front fork

M6 x 1.0

9

0.9

6.5

  

Handle crown and inner tube

M8 x 1.25

20

2.0

14

  

Handle crown and steering shaft

M25 x 1.0

110

11.0

80

  

Under bracket and inner tube

M8 x 1.25

23

2.3

17

  

Front fork cylinder and outer tube

M8 x 1.25

23

2.3

17

  

Brake caliper (Front and rear)

M10 x 1.25

35

3.5

25

  

Front fork and axle holder

M8 x 1.25

20

2.0

14

  

Anti-nose dive and front fork

M5 x 0.8
M6 x 1.0

5
7

0.5
0.7

3.6
5.1

  

Brake disc and wheel hub

M8x 1.25

20

2.0

14

  

Brake caliper and bleed screw (Front and rear)

M8 x 1.25

6

0.6

4.3

  

Anti-nose dive and bleed screw

M8 x 1.25

6

0.6

4.3

  

Union bolt (Front and rear)

M10 x 1.25

26

2.6

19

  

Brake pipe and joint

M10x 1.0

19

1.9

13

  

Master cylinder and master cylinder cap

M5 x 0.8

2

0.2

1.4

  

Handle crown and handlebar

M12 x 1.25

93

9.3

67

  

Handlebar and grip bar

M10x 1.25

50

5.0

36

  

Grip bar and grip end

M18 x 1.5

26

2.6

19

  

Front brake master cylinder and master cylinder bracket

M6 x 1.0

9

0.9

6.5

  

Fuel sender unit and fuel tank

M5 x 0.8

4

0.4

2.9

  

Engine mounting bolt Front, upper
                               Front, lower
                               Rear

M10 x 1.25
M10 x 1.25
M12 x 1.25

42
42
70

4.2
4.2
7.0

30
30
50

  

Engine stay and frame

M8x 1.25

20

2.0

14

  

Pivot shaft and rear arm

M22 x 1.5

6

0.6

4.3

  

Pivot shaft and lock nut

M22 x 1.5

100

10.0

72

  

Rear shock absorber and frame

M10 x 1.25

30

3.0

22

  

Rear shock absorber and rear arm

M10x 1.25

30

3.0

22

  

Rear shock absorber and housing gear

M10 x 1.25

30

3.0

22

  

Rear wheel axle and nut

M14x 1.5

105

10.5

75

  

Parts to be tightened

Thread size

Tightening torque

Remarks

Nm

rrvkg

ft-lb

Middle gear flange and cross joint

M8 x 1.25

44

4.4

32

  

Frame and muffler bracket

M10 x 1.25

42

4.2

30

  

Rear footrest and muffler bracket

M10 x 1.25

42

4.2

30

  

Rear brake master cylinder and frame

M8 x 1.25

20

2.0

14

  

Compression bar and rear arm

M10 x 1.25

30

3.0

22

  

Compression bar and caliper bracket

M10 x 1.25

30

3.0

22

  

Rear stay and frame

M8 x 1.25

23

2.3

17