The RR X-PRO 390 4T is the perfect blend between handling and power. It combines the agility of smaller motorcycles with the torque and power of its larger counterparts, taking you literally anywhere.
The 390 cc 4-stroke engine has been designed to deliver smooth and powerful performance. The great strength of the 390 is its ability to transfer power to the ground with continuity, making every ride safe and smooth. Whether on a technical uphill section or on muddy terrain, traction is always its winning weapon.
CHASSIS
Frame
Molybdenum steel with double cradle split above
the exhaust port
Wheelbase
1480 mm
Max length
2180 mm
Max width
830 mm
Max height
1270 mm
Seat height
930 mm
Ground clearance
315 mm
Footrest height
407 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
132 mm
Front wheel travel
295 mm
Rear wheel travel
290 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 2,15 – 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 starter
ACG
Kokusan
Spark plug
NNGK 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.28/76
Transmission
6 gears
Final transmission
Chain
Engine oil
SAE 10W/50 0,8 l. + SAE 10W/40 0,8 l.
Consumption l/100 km
3,3
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