GATEWAY BMW DUCATI MOTORCYCLES
314-427-9090
18350 Wings Corporate DrChesterfield, MO 63005
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Overview

2027 Beta RX 350

Motorcycle

RX 350

THE KINGPIN
Starting at $10,290 MSRP
Manufacturer suggested retail price. Does not include dealer fees, tax, title, or registration.
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Specs & Features

Engine
ENGINE TYPE
Beta Built single cylinder, 2-stroke, liquid cooled, with BPV power valve system and counter balancer, electric start.
BORE
78mm
STROKE
73.6mm
DISPLACEMENT
351.7cc
COMPRESSION RATIO
12.45:1
EXHAUST VALVE
Beta Progressive Valve (BPV)
IGNITION
AC-CDI Kokusan
SPARK PLUG
Dual NGK MR7CI8
LUBRICATION
Pre-Mix
CARBURETOR
Keihin PWK 38mm
CLUTCH
Wet diaphram style
TRANSMISSION
5 Speed
FINAL DRIVE
Non-O-ring chain
Chassis
FRAME
Molybdenum steel / Double Cradle w/ quick air filter access
WHEELBASE
58.2"
SEAT HEIGHT
37.2"
GROUND CLEARANCE
13.4"
FOOTREST HEIGHT
16.6"
DRY WEIGHT
220.5 lbs
FUEL TANK CAPACITY
1.85 US Gallons
FRONT SUSPENSION
48 mm KYB AOS Closed Cartridge with adjustable compression & rebound
REAR SUSPENSION
KYB 50 mm body with adjustable rebound and high/low speed on compression adjustment
FRONT WHEEL TRAVEL
12"
REAR WHEEL TRAVEL
11.8"
FRONT BRAKE
260 mm floating rotor
REAR BRAKE
240 mm rotor
FRONT/REAR RIM
21" (Front) 19" (Rear)
FRONT/REAR TIRE
Dunlop Geomax MX 34
NISSIN BRAKING SYSTEM
Equipped with a compact, lightweight, motocross-derived Nissin front brake setup that offers immense stopping power with excellent lever modulation.
CHROMOLY STEEL FRAME
Celebrated for its natural flex, the chromoly frame absorbs harsh energy that aluminum frames transfer directly to the rider, providing immediate confidence through high-speed rollers.
SOFTER COMPOUND GRIPS
New, softer grips reduce rider fatigue and arm pump by absorbing trail vibration, allowing you to stay on the gas longer.
FACTORY GRAPHICS KIT
An eye-catching red and black livery conveys an aggressive and contemporary image to accompany the launch of the 250 4-stroke.
HEAVY DUTY CHAIN GUIDE
Features a reinforced structure to withstand mud, rocks, and hard impacts from ruts and logs. A straighter, stronger guide ensures final drive stability, prevents thrown chains, and protects the swingarm.
FLEXFIX HANDLEBAR MOUNTS
Handlebar risers utilize silent-block rubber mounts to isolate the rider's hands from engine vibration.
DUNLOP GEOMAX MX 34 TIRES
Next-generation Dunlop tires significantly improve cornering bite while shedding unsprung weight, allowing the suspension to react faster to acceleration bumps and square-edge chop.

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