Honda NSS250S Manual page 332

DRIVE PULLEY/DRIVEN PULLEY/CLUTCH
SERVICE INFORMATION
GENERAL
• This section covers maintenance of the drive pulley, driven pulley and clutch.
• These services can be done with the engine installed in the frame.
• Avoid getting grease and oil on the drive belt and drive/driven pulley faces in order to prevent belt slippage.
• NSS250S: Do not apply grease to the movable drive pulley face.
• NSS250A: Do not apply grease to the movable drive pulley face and weight rollers.
• NSS250A: If any of the following services (the procedures which could alter the relative position of the movable drive
face position sensor and the movable drive pulley assembly) have been performed, perform the Honda S Matic System
initial setting procedure (page 24-61).
– Drive belt replacement
– PCM replacement (page 6-102)
– Movable drive face position sensor removal/installation (page 24-51)
– Movable drive face position sensor shaft removal/installation (page 24-54)
– Reduction gear A or B removal/installation (page 24-54)
– Movable Drive pulley assembly removal/installation (page 11-18)
– Driven pulley sensor plate removal/installation (page 24-60)
SPECIFICATIONS
Drive belt width
Movable Bushing I.D.
drive pulley
Boss O.D.
face
Weight roller O.D.
(NSS250S)
Movable Drive face boss A O.D.
drive pulley
face
Drive face boss B O.D.
(NSS250A)
Driven pulley Face spring free length
Boss O.D.
Movable driven pulley face I.D.
Clutch Clutch outer I.D.
Shoe lining thickness
TORQUE VALUES
Left side front cover socket bolt
Left side rear cover socket bolt
Clutch outer nut
Screw holder socket bolt (NSS250A)
Stopper arm socket bolt (NSS250A)
Stopper plate socket bolt (NSS250A)
Drive face bolt
Driven pulley nut
11-4
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ITEM
10 N·m (1.0 kgf·m, 7 lbf·ft)
10 N·m (1.0 kgf·m, 7 lbf·ft)
74 N·m (7.5 kgf·m, 55 lbf·ft)
10 N·m (1.0 kgf·m, 7 lbf·ft)
10 N·m (1.0 kgf·m, 7 lbf·ft)
10 N·m (1.0 kgf·m, 7 lbf·ft)
83 N·m (8.5 kgf·m, 61 lbf·ft)
79 N·m (8.1 kgf·m, 58 lbf·ft)
STANDARD
26.5 (1.04)
30.055 – 30.075 (1.1833 – 1.1841)
29.995 – 30.031 (1.1809 – 1.1823)
22.920 – 23.080 (0.9024 – 0.9087)
35.465 – 35.485 (1.3963 – 1.3970)
34.975 – 34.995 (1.3770 – 1.3778)
110.2 (4.34)
39.965 – 39.985 (1.5734 – 1.5742)
40.000 – 40.025 (1.5748 – 1.5758)
135.0 – 135.2 (5.31 – 5.32)
4.0 (0.16)
Apply oil to the threads and seating sur-
face, UBS bolt
Unit: mm (in)
SERVICE LIMIT
25.5 (1.00)
30.900 (1.2165)
29.965 (1.1797)
22.5 (0.89)
35.44 (1.395)
34.95 (1.376)
106.0 (4.17)
39.94 (1.572)
40.06 (1.577)
135.5 (5.33)
1.5 (0.06)