The RR Race 390 4T is the perfect balance between agility and power. Smooth, manageable and always ready to deliver traction, it is the ideal choice for those looking for a four-stroke capable of adapting to any scenario: from slow and slippery technical terrain to fast and flowing trails.
The 390 is designed to always offer the right mix of handling and power. Kayaba racing suspension, compact vehicle and new maps make riding smooth and intuitive. Stability, safety and immediate confidence make the 390 the perfect companion for those who want to pick up the pace without sacrificing control.
CHASSIS
FRAME
Molybdenum steel with double cradle split above
the exhaust port
WHEELBASE
1476 mm
MAX LENGHT
2180 mm
MAX WIDTH
830 mm
MAX WIDTH
1275 mm
SEAT HEIGHT
950 mm
GROUND CLEARANCE
335 mm
FOOTREST HEIGHT
427 mm
DRY WEIGHT
107,5 kg (front 52,7 kg; rear 54,8 kg)
FUEL TANK CAPACITY
9,0 l
RESERVE
2,3 l
COOLING SYSTEM CAPACITY
1,4 l
FRONT SUSPENSION
Hydraulic usd fork with Ø 48 mm shaft
REAR SUSPENSION
Monoshock with progressive compound lever
SHOCK ABSORBER STROKE
130 mm
FRONT WHEEL TRAVEL
300 mm
rear WHEEL TRAVEL
287 mm
FRONT BRAKE
Wave disc Ø260 mm and double-piston floating caliper
rear brake
Wave disc Ø240 mm and single-piston floating caliper
front rim
21 x 1,6 – 36 holes
rear rim
18 x 1,85 – 36 holes
front tyre
90/90 – 21
rear tyre
140/80 -18
engine
type
Single cylinder, 4-stroke, liquid-cooled
bore
88 mm
stroke
63,4 mm
displacement
385,6 cc
compression ratio
12,48:1
valve train
Dohc finger follower / 4 titanium valve
starter
Electric
acg
Kokusan
spark plug
NGK LKAR 8A-9
lubrication
2 oil pumps
fuel system
Elldor dual electronic injection
throttle body
Ø 42 mm – Synerject
clutch
Wet multi-disc clutch
primary drive
Z.23/76
transmission
6 gears
FINAL TRANSMISSION
Chain
engine oil
SAE 10W/50 0,8 l. + SAE 10W/40 0,8 l.
consumption l/100km
3,3
pollution Co2 [g/km]
79
Click image to enlarge
