Yamaha YXZ10YEXH Owner's Manual page 209

Spark plug (s):
Manufacturer/model:
NGK/CR9EB
Spark plug gap:
0.7–0.8 mm (0.028–0.031 in)
Clutch:
Clutch type:
Wet, multiple-disc
Transmission:
Primary reduction system:
Spur gear
Primary reduction ratio:
88/53 (1.660)
Secondary reduction system:
Shaft drive
Secondary reduction ratio:
41/22 × 33/9 (6.833)
Transmission type:
Constant mesh 5-speed forward, 1-speed reverse
Operation:
Right hand operation
Reverse gear:
37/15 (2.467)
1st:
35/17 (2.059)
2nd:
34/22 (1.545)
3rd:
31/26 (1.192)
4th:
25/26 (0.962)
5th:
25/31 (0.806)
Chassis:
Frame type:
Steel tube frame
Caster angle:
6.80 °
Trail:
33.7 mm (1.33 in)
Front tire:
Type:
Tubeless
Size:
27 x 9.00R-14NHS
Manufacturer/model:
MAXXIS/MU09
Rear tire:
Type:
Tubeless
Size:
27 x 11.00R-14NHS
Manufacturer/model:
MAXXIS/MU10
Loading:
Maximum loading limit:
317.0 kg (699 lb)
(Total weight of operator, passenger, cargo, and
accessories)
10-3
10