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General
The 400ex was released in 1999 and its success lead to a frenzy of new sport quads being brought to market in the coming years.
29srwhp / 374lbs = 0.0775 hp per pound
Approximate top speed: 65 mph
Models
Model Year Changes
2005:
Known Problems
Tech Tips
General
The 400ex was released in 1999 and its success lead to a frenzy of new sport quads being brought to market in the coming years.
29srwhp / 374lbs = 0.0775 hp per pound
Approximate top speed: 65 mph
Models
Model Year Changes
2005:
- 450R front end and headlight assembly
- reverse gear
- higher gear ratios
- Wider seat with a narrower seat/tank junction improves ergonomics
- Revised suspension settings and a lighter clutch pull for all-day riding comfort
- New high visibility, long life LED brakelight and taillight
Known Problems
Tech Tips
