Compact & lightweight 398cc 4-stroke, single-cylinder,
liquid-cooled engine with counter-balancer based
on the proven DR-Z400E design - tuned for tractable
power over a wide rpm range.
Cylinder head features large 36mm intake and 29mm
exhaust valves, plus a narrow 28º included
valve angle creating a more compact combustion chamber,
high compression ratio and a straight intake tract
for improved power. Cams are direct acting-type
with shim-under-bucket valve adjustment.
Forged aluminum alloy piston and SCEM-plated aluminum
cylinder are lightweight and durable SCEM plating
reduces cylinder weight (no iron sleeve) and improves
cooling efficiency.
Large Mikuni BSR 36mm carburetor provides quick
throttle response and fuel efficiency.p Liquid-cooling
system with high capacity radiator and thermostatically-controlled
cooling fan provides consistent engine operating
temperature.
Dry-sump lubrication system allows a compact crankcase
and minimal engine height for optimum engine placement
- oil tank is frame-mounted in front of the exhaust
head pipes.
Five-speed transmission with cable-operated clutch
includes an easy-to-use reverse gear system - just
turn the fender-mounted knob and shift from neutral
to reverse using the gear shift lever.
Convenient electric start system includes Start-In-Gear
feature - electric start system and CDI ignition
are powered by compact maintenance-free battery.
Aggressive-styled bodywork with high fenders and
air intake vents to enhance sport style and improve
airflow to radiator - large T-shaped seat provides
high comfort and maneuverability.
Dual 30/30W, vertically-mounted halogen headlights
provide a bold look and bright illumination - large
5/21W taillight/brake light combination is standard.
Lightweight, high tensile steel-alloy frame and
removable steel sub-frame, plus aluminum swingarm.
Long-travel, independent double a-arm front suspension
with preload-adjustable shock absorbers - provides
8.3 inches of wheel travel for a comfortable ride
over all types of terrain.
Linkage-type rear suspension features fully adjustable
shock absorber with 9.1 inches of wheel travel,
plus 10.3 inches of ground clearance.
Large 6.9 inch front disc brakes and single 8.6
inch rear disc brake - both with single-piston pin-slide
calipers.
Lightweight aluminum alloy wheels (F: 10.0 x 5.5,
R: 9.0 x 8.0), and radial tires
(F: 22 x 7-10, R: 20x10-9), for reduced unsprung
weight..
Heavy-duty front bumper and high-impact resistant
polyethylene skid plate.
Wide serrated-type footpegs for high grip and comfort.
Large 2.7 gallon fuel tank with two mounting points
for quick removal and simplified maintenance.