Suzuki LT-F400F Service Manual

1D-68 Engine Mechanical:
Camshaft + Cylinder Head
Unit: mm (in)
Cylinder + Piston + Piston Ring
Unit: mm (in)
Conrod + Crankshaft
Unit: mm (in)
Item Standard Limit
Cam height IN. & EX. 33.130 – 33.170 (1.3043 – 1.3059) 32.830 (1.2925)
Camshaft journal oil clearance
φ 22 0.032 – 0.066 (0.0013 – 0.0026) 0.150 (0.0059)
φ 17.5 0.028 – 0.059 (0.0011 – 0.0023) 0.150 (0.0059)
Camshaft journal holder I.D.
φ 22 22.012 – 22.025 (0.8666 – 0.8671) —
φ 17.5 17.512 – 17.525 (0.6894 – 0.6900) —
Camshaft journal O.D.
φ 22 21.959 – 21.980 (0.8645 – 0.8654) —
φ 17.5 17.466 – 17.484 (0.6876 – 0.6883) —
Camshaft runout — 0.10 (0.004)
Rocker arm I.D. IN. & EX. 12.000 – 12.018 (0.4724 – 0.4731) —
Rocker arm shaft O.D. IN. & EX. 11.973 – 11.984 (0.4714 – 0.4718) —
Cylinder head distortion — 0.05 (0.002)
Cylinder head cover distortion — 0.05 (0.002)
Item Standard Limit
Compression pressure
(Automatic-decomp. actuated)
Approx. 1 000 kPa (10.0 kgf/cm
2
, 142 psi) —
Piston-to-cylinder clearance 0.065 – 0.075 (0.0026 – 0.0030) 0.120 (0.0047)
Cylinder bore 82.000 – 82.015 (3.2283 – 3.2289) 82.070 (3.2311)
Piston diam.
81.930 – 81.945 (3.2256 – 3.2262)
Measure at 15 mm (0.6 in) from the skirt end.
81.880 (3.2236)
Cylinder distortion — 0.05 (0.002)
Piston ring free end gap
1st R Approx. 8.9 (0.35) 7.1 (0.28)
2nd R Approx. 10.4 (0.41) 8.3 (0.33)
Piston ring end gap
1st 0.15 – 0.27 (0.006 – 0.011) 0.50 (0.020)
2nd 0.15 – 0.27 (0.006 – 0.011) 0.50 (0.020)
Piston ring to groove clearance
1st — 0.180 (0.0071)
2nd — 0.150 (0.0059)
Piston ring groove width
1st 1.01 – 1.03 (0.0398 – 0.0406) —
2nd 1.01 – 1.03 (0.0398 – 0.0406) —
Oil 2.01 – 2.03 (0.0791 – 0.0799) —
Piston ring thickness
1st 0.970 – 0.990 (0.0382 – 0.0390) —
2nd 0.970 – 0.990 (0.0382 – 0.0390) —
Piston pin bore 20.002 – 20.008 (0.7875 – 0.7877) 20.030 (0.7886)
Piston pin O.D. 19.996 – 20.000 (0.7872 – 0.7874) 19.980 (0.7866)
Item Standard Limit
Conrod small end I.D. 20.006 – 20.014 (0.7876 – 0.7879) 20.040 (0.7890)
Conrod deflection — 3.0 (0.12)
Conrod big end side clearance 0.00 – 0.55 (0.000 – 0.022) 1.0 (0.04)
Conrod big end width 21.95 – 22.00 (0.864 – 0.866) —
Conrod web to web width 59.9 – 60.1 (2.36 – 2.37) —
Crankshaft runout — 0.080 (0.0031)

Suzuki LT-F400F Specifications

General

Brand	Suzuki
Model	LT-F400F
Category	Offroad Vehicle
Language	English