Model updates: The 2022 CRF150RB receives a new graphic upgrade to bring it in line with its larger family members, the CRF250R and CRF450R.
Contents:
1 Introduction
2 Key features
3 Technical specifications
The CRF150RB is Honda's smallest motocrosser, a serious competition machine, and the perfect gateway to the championship-winning full-sized CRF250R and CRF450R. It features a four-stroke Unicam engine - unique in the mini MX world - that delivers smooth, ample power and torque across the rev range. Showa suspension components comprise a 37mm inverted fork and a Pro-Link rear-swing arm with a single Showa shock matched to a lightweight steel frame. For 22YM it receives a graphic update to bring it in line with its larger CRF250R and CRF450R siblings
2 Key Features
2.1 Chassis
The CRF150RB features a lightweight, high-tensile steel frame with large-diameter frame tubing and cross-member for excellent turning performance and straight-line tracking.
For optimum compression and rebound control, the CRF150RB uses 37mm leading-axle inverted Showa cartridge forks with friction-reducing technology, paired with a Pro-link swingarm. Large, strong, lightweight wheels – 19in front and 16in rear - feature supportive 15mm and 17mm axles respectively for a balance of minimal unsprung weight and strength, durability and control. Both front and rear suspension also feature settings unique to the CRF150RB to further deliver ideal bump absorption characteristics in even the toughest of track conditions.
Lightweight single discs, 220mm front and 190mm rear, are grabbed by high performance pads offering powerful and precise braking into the turns. An HRC works-type rear-brake system integrates the rear master cylinder and fluid reservoir, eliminating the separate rear master-cylinder reservoir and hose.
Like every member of the Honda off-road CRF family, the CRF150RB wears its heritage with pride. The 4.2L upr
A twin-sump lubrication system reduces the amount of circulating oil and employs a smaller oil pump that separates the oil supply for the crankshaft, piston and valve train from the clutch and transmission. This ensures a regular supply of cool oil to the clutch and eliminates any potential clutch and transmission material contamination.
The large-capacity airbox connects via a 26mm intake and features a reusable two-stage foam air filter for optimal performance. A 22.5mm exhaust post connects to a lightweight stainless-steel header and re-packable aluminium muffler.
The CRF150RB features a smooth-shifting, close ratio five speed transmission that is matched perfectly to the broad powerband for strong. engaging performance in any gear.
ENGINE |
|
Type |
Water cooled, four valve, four stroke Unicam single |
Displacement |
149.7cc |
Bore x Stroke |
66.0 x 43.7mm |
Compression Ratio |
11.7:1 |
FUEL SYSTEM |
|
Carburation |
Keihin 32mm flat-slide carburetor |
Fuel Tank Capacity |
4.2L (inc. reserve) |
ELECTRICAL SYSTEM |
|
Starter |
Kick |
DRIVETRAIN |
|
Clutch Type |
Wet multiplate |
Transmission Type |
Close ratio Manual 5-speed |
Final Drive |
Chain |
FRAME |
|
Type |
Steel |
CHASSIS |
|
Dimensions (L´W´H) |
1899 x 769 x 1170mm |
Wheelbase |
1285mm |
Caster Angle |
27°48’ |
Trail |
96mm |
Seat Height |
866mm |
Ground Clearance |
335mm |
Kerb Weight |
84.8 kg |
SUSPENSION |
|
Type Front |
37mm fully-adjustable leading-axle inverted conventional Showa cartridge fork. 27.4cm of travel |
Type Rear |
Pro-link fully adjustable Showa single shock. 27.1cm of travel |
WHEELS |
|
Type Front |
Aluminium spoke |
Type Rear |
Aluminium spoke |
Tyres Front |
70/100-19 |
Tyres Rear |
90/100-16 |
BRAKES |
|
Front |
Single 220mm disc |
Rear |
Single 190mm disc |
All specifications are provisional and subject to change without notice
Please note that the figures provided are results obtained by Honda under standardised testing conditions prescribed by WMTC. Tests are conducted on a rolling road using a standard version of the vehicle with only one rider and no additional optional equipment. Actual fuel consumption may vary depending on how you ride, how you maintain your vehicle, weather, road conditions, tire pressure, installation of accessories, cargo, rider and passenger weight, and other factors.