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Beta RR 4T 390 Enduro

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Make Model

Beta RR 4T 390 Enduro

Year

2015

Engine

Four stroke, single cylinder with countershaft, DOHC, 4 valve

Capacity

385.6 cc / 23.5 cu in

Bore x Stroke

88 x 63.4 mm

Compression Ratio

12.5:1

Lubrication

Forced, 2 oil pumps

Cooling System

Liquid cooled, forced by pump

Induction

Keihin FCR-MX39

Ignition

AC-CDI, Kokusan

Spark Plug

NGK LKAR 8A-9

Starting

Electric and kick

Clutch

Wet multi-disc

Transmission

6 Speed

Final Drive

Chain

Primary Drive

28:76

Frame

Molybdenum steel with double cradle split above exhaust port. Air filter access from the side

Front Suspension

48 mm Ø Sachs USD fork, adjustable compression and rebound, TFX technology

Front Wheel Travel

290 mm / 11.4 in

Rear Suspension

Sachs shock w/adjustable rebound and hi/low speed compression

Rear Wheel Travel

290 mm / 11.4 in

Front Brakes

Single wave Ø 260 mm floating disc, 2 piston floating caliper

Rear Brakes

Single Ø 240 mm disc,  1 piston floating caliper

Front Wheel

1.60 x 21

Rear Wheel

2.15 x 18

Front Tyre

90/90 -21

Rear Tyre

140/80 -18

Dimensions

Length: 2180 mm / 85.8 in

Width:     807 mm / 31.8 in

Height:  1270 mm / 50.0 in

Wheelbase

1490 mm / 58.7 in

Seat Height

940 mm / 37.0

Ground Clearance

320 mm / 12.6 in

Footrest Height

413 mm / 16.3 in

Dry Weight

112 kg  /  247 lb

Fuel Capacity 

8.0 L / 2.1 US gal

Fuel Reserve

1.3 L / 0.3 US gal

Adventurous and fast, the Beta RR 4T 390 is a versatile off roader powered by a single cylinder, DOHC, 4 stroke, liquid - cooled engine with a displacement of 385,6 Cc. The engine features die cast cases and new crankshaft, connecting rod, cylinder head and pistons.

The Beta RR 4T 390 also features a new front fork compression piston to improve oil flow and reduce harshness, a new rear shock piston, a handlebar pad borrowed from race edition, and a softer seat.

The engine’s power is kept under control by a six speed transmission with wet multi disc clutch.

Key features:

•Die-Cast Engine cases (2.2 lbs. lighter)
•All new displacements for optimum performance and handling
•New crankshaft, connecting rod, cylinder head, and piston
•Beta’s ETR(Easy-To-Ride) Engine
•New front fork compression piston to improve oil flow and reduce harshness
•New rear shock piston to reduce heat
•Handlebar pad from Race Edition
•New design seat foam that is softer
•New graphics and color scheme