Compression Gauge, 20 kgf/cm²:
57001-221 
Valve Spring Compressor Assembly:
57001-241 
Valve Spring Compressor Adapter,
25:
57001-1019 
Valve Seat Cutter, 45° - 
27.5:
57001-1114 
Valve Seat Cutter, 45° -
32:
57001-1115 
Valve Seat Cutter, 32° - 
28:
57001-1119 
Valve Seat Cutter Holder Bar:
57001-1128 
Valve Seat Cutter, 32° -
33:
57001-1199 
Valve Seat Cutter, 60° - 
25:
57001-1328 
Valve Seat Cutter Holder, 
4.5:
57001-1330 
Valve Guide Arbor, 
4.5:
57001-1331 
Valve Guide Reamer, 
4.5:
57001-1333 
Valve Seat Cutter, 60° - 
33:
57001-1334 
Valve Guide Driver:
57001-1564 
Valve Spring Compressor Adapter,
24:
57001-1586 
Compression Gauge Adapter, M10 × 1.0:
57001-1601 
L-Shape Hose:
57001-1606
Washer:
57001-1612 
Liquid Gasket, TB1211F:
92104-0004 
Liquid Gasket, TB1216B:
92104-1064
Exhaust System Identification
Clean Air SystemOil Pump Drive Gear Installation
Install is the reverse of removal. Note the following.
First, engage the oil pump chain [A] to the gears, and then
install the oil pump drive gear [B].
Turn the “OUT” mark [C] to outside.
Apply a non-permanent locking agent to the oil pump drive
chain guide bolt and the oil pump drive ...
Subthrottle Sensor Resistance Inspection
Turn the ignition switch to OFF.
Disconnect the subthrottle sensor connector.
Connect a digital meter [A] to the subthrottle sensor connector
[B].
Measure the subthrottle sensor resistance.
Subthrottle Sensor Resistance
Connections: BL lead [D] ←→ BR/BK lead [C]
Standard: ...
Balancer Installation
Position the crankshaft at #2, 3 positions TDC or at #1, 4
positions TDC.
Install the balancer assembly as follows.
Align the punch mark [A] on the weight and the projection
[B] on the crankcase.
Engage the balancer gear and the crankshaft gear.
Insert the balancer shaft until it is bot ...