Suzuki AN400 Service Manual

Engine Mechanical: 1D-55
Specifications
Service Data
B705H11407002
Valve + Valve Guide
Unit: mm (in)
Camshaft + Cylinder Head
Unit: mm (in)
Item Standard Limit
Valve diam.
IN. 31.0 (1.22) —
EX. 27.0 (1.06) —
Tappet clearance (when cold)
IN. 0.10 – 0.20 (0.003 – 0.008) —
EX. 0.20 – 0.30 (0.008 – 0.009) —
Valve guide to valve stem clearance
IN. 0.10 – 0.37 (0.004 – 0.015) —
EX. 0.30 – 0.57 (0.012 – 0.022) —
Valve guide I.D. IN. & EX. 4.500 – 4.512 (0.1772 – 0.1776) —
Valve stem O.D.
IN. 4.475 – 4.490 (0.1762 – 0.1768) —
EX. 4.455 – 4.470 (0.1754 – 0.1760) —
Valve stem deflection IN. & EX. — 0.35 (0.014)
Valve stem runout IN. & EX. — 0.05 (0.002)
Valve head thickness IN. & EX. — 0.5 (0.02)
Valve seat width (30°, 45°, 60°) IN. & EX. 0.9 – 1.1 (0.035 – 0.043) —
Valve head radial runout IN. & EX. — 0.03 (0.001)
Valve spring free length IN. & EX. — 38.6 (1.52)
Valve spring tension IN. & EX.
137.3 N (14.0 kgf, 30.1 lbs) at length 33.35 mm
(1.313 in)
—
Item Standard Limit
Cam height
IN. 36.61 – 36.66 (1.441 – 1.443) 36.31 (1.430)
EX. 35.94 – 35.99 (1.415 – 1.417) 35.64 (1.403)
Camshaft journal oil clearance IN. & EX. 0.019 – 0.053 (0.0007 – 0.0021) 0.15 (0.006)
Camshaft journal holder I.D. IN. & EX. 22.012 – 22.025 (0.8666 – 0.8671) —
Camshaft journal O.D. IN. & EX. 21.972 – 21.993 (0.8650 – 0.8659) —
Camshaft runout IN. & EX. — 0.10 (0.004)
Cam chain pin (at arrow “3”) 15th pin —
Cylinder head distortion — 0.05 (0.002)

Suzuki AN400 Specifications

General

Brand	Suzuki
Model	AN400
Category	Scooter
Language	English