Honda CM400A - Inspection and Adjustment

( SPARK PLUG ADJUSTMENT 3-2 FUEL LINE INSPECTION 3-7 1
HONDA
CB400T
INSPECTION AND
3. AmUSTMENT
I IGNITION TIMING INSPECTION 3-2 COMPRESSION TEST 3-8 (
i
I VALVE CLEARANCE CLUTCH ADJUSTMENT
ADJUSTMENT 3-3
<ENGINE> AIR CLEANER MAINTENANCE 3-7
<CHASSIS>
CAM CHAIN ADJUSTMENT 3-3
FRONT BRAKE (DISC)
THROTTLE OPERATION 3-4
FRONT BRAKE (DRUM)
IDLE SPEED ADJUSTMENT 3-4
REAR BRAKE
CARBURETOR SYNCHRONIZATION 3-5
DRIVE CHAIN
CHOKE MECHANISM
( MAINTENANCE 3-6 SIDE STAND
I FAST IDLE ADJUSTMENT 3-6 BATTERY ELECTROLYTE 3-14 1
BALANCER CHAIN ADJUSTMENT 3-7 WHEELSISPOKES 3-14
i SPECIFICATIONS
<ENGINE>
Spark plug gap, type: 0.6-0.7
mm (0.024-0.028 in.)
ND
X24ES-U, NGK DBEA
Ignition timing "F" mark: 15' BTDC at 1,200 rpm
Full advance: 43" BTDC
at 4.500-5.350 rpm
Valve clearance IN: 0.10 i 0.02 mm (0.004 + 0.0008 in.)
EX: 0.W + 0.02 mm (0.006 i 0.0008 in.)
Throttle free play: 2-6 mm (0.08-0.24 in.)
Idle speed: 1,200 + 100 rpm
Synchronization vacuum: 200-240
mmHg
Fast idle speed: 2,500 i 500 rpm
Compression:
13* 1 kg/cm2 (185 * 14 psi)
Clutch free play: 10-20
mm (318-314 in.)
TORQUE VALUES
Balancer adjuster nut (8 mm): 2.0-2.5 kg-m (15-18 lbs-ft)
Balancer pivot nut
(10 mm): 3.0-2.5 kg-m (22-25 lbs-ft)
Front axle nut: 5.0-8.0 kg-m
(36-58 lbs-ft)
Front axle holder nut: 1.8-2.5 kg-m (13-18 lbs-ft)
Rear axle nut: 7.0-10.0 kg-m (51-72 lbs-it)
Spoke nipples: 0.2-0.35 kg-m (1.4-2.5 lbs-ft)
<CHASSIS>
I
!
Front brake (drum) free play: 20-30 mm (314-1-114 in.)
Rear brake free play: 20-30 mm
(314-1.114 in.)
Drive chain play: 20 mm
(314 in.)
1
1
Tire pressures:
I
Up to 90 kg (200 lbs) load
Front 1.75 kg/cm2
(24 psi)
Rear 2.25 kg/cm2 132 psi)
Up to vehicle capacity load
Front 1.75
kglcmZ 124 psi)
Rear 2.5
kg/cm2 (36 psi)
Date of Issue: September, 1977
O HONDA MOTOR CO.. LTD.
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