Engine datasheet
KZ400-J
Bore and Stroke 52.0 x 47.0 mm
Displacement 399ccm
Compression ratio 9.5
Max. HP 43@9500RPM
Max. torque 3.5 kgm@7500RPM
Engine oil 3.0L of SE class SAE 10W40, 10W50, 20W40 or 20W50
Cyl. numbering LTR 1-2-3-4
Ignition pattern 1-2-4-3
Spark plugs NGK D8EA or ND X24ES-U
[edit] Transmission data
KZ400-J
1st gear 2.57 (36/14)
2nd gear 1.78 (32/18)
3rd gear 1.38 (29/21)
4th gear 1.13 (27/24)
5th gear 0.96 (25/26)
6th gear 0.85 (23/27)
Primary red. ratio 3.28 (27/23*67/24)
Final red. ratio 2.50 (40/16)
Overall drive ratio 6.98 (Top Gear)