42
Specifications
MX400
*Your Yamaha engine has been designed to use regular unleaded gasoline with a pump
octane number ((R+M)/2) of 86 or higher, or research octane number of 91 or higher.
DIMENSIONS:
Overall length
mm (in)
392.5–418 (15.45–16.46)
Overall width
mm (in)
462–480 (18.19–18.9)
Overall height
mm (in)
464–490 (18.27–19.29)
Dry weight
kg (lb)
33–90 (72.75–198.41)
ENGINE:
Type
Air cooled 4-stroke gasoline OHV
Cylinder arrangement
1 cylinder
Displacement
cm³
402
Bore
Stroke
mm (in)
85.0
71.0 (3.35
2.80)
Starting method
Recoil starter/Electric starter
Fuel
Unleaded gasoline
*
Fuel tank capacity
L (US gal, Imp gal)
6.1 (1.61, 1.34)
Engine oil quantity
L (US qt, Imp qt)
1.1 (1.16, 0.97)
Ignition system
TCI
Spark plug type
BPR4ES (NGK)
Spark plug gap
mm (in)
0.7–0.8 (0.028–0.031)
Use only unleaded gasoline. The use of leaded gasoline will cause severe damage
to internal engine parts.
NOTICE
7VE-F8199-70-E0.book 42 ページ 2016年11月15日 火曜日 午後5時35分
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