CRF300 Rally

£6,039

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Overview
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  • New longer-stroke 286cc engine produces 10% more power and 18% more torque
  • 4kg lighter kerb weight means 13% improvement in power-to-weight ratio
  • New frame, longer travel suspension, higher ground clearance, revised steering geometry and riding position improve all-terrain handling and agility
  • Sharp new LCD display for both models
  • Extra 2.7L fuel capacity for CRF300 RALLY plus elevated long-haul comfort and reduced seat height

Model year 2021 sees major upgrades for the CRF300, underpinned by a new, larger-capacity engine, now mounted in a considerably lighter chassis, delivering a significant 13% improvement in power-to-weight ratio.

Now 286cc, the EURO5-compliant, liquid-cooled DOHC 4-valve single-cylinder engine produces peak power of 20.1kW @ 8,500rpm, and, thanks to a longer stroke, fully 18% more maximum torque of 26.6Nm @ 6,500rpm (up from 18.2kW @ 8.500rpm/22.6Nm @ 6,750rpm). Engine ‘breathing’ has been improved thanks to new inlet cam timing, and revised air intake and exhaust systems. Shorter ratios for the first five gears amplify the benefits of the increased torque and power, while 6th is taller for more relaxed high-speed cruising. An assist/slipper clutch now manages the rear wheel and offers 20% less load at the lever.

A redesigned steel semi-double cradle frame, aluminium swingarm and bottom yoke are major contributors to a 4kg overall weight loss and feature revised rigidity balance - with more lateral flex - for increased feedback and feel. Steering geometry has been adjusted in detail to match, alongside longer travel suspension (10mm front/20mm rear for the CRF300L and 10mm front for the CRF300 RALLY) and increased ground clearance.

At 885mm the CRF300 RALLY’s broader, rubber-mounted seat is now 10mm lower; the fuel tank grows 2.7L to 12.8L. Its handlebars feature internal weights to minimise vibration and the foot pegs are topped with rubber inserts, while LED indicators are now flexibly mounted for durability.

Engine

  • Larger capacity 286cc engine puts out an extra 1.9kW and 4Nm
  • Revised gearbox ratios for both acceleration and cruising
  • Assist/slipper clutch with 20% lighter lever load

Chassis

  • Handling and agility improved on any terrain from wide-ranging updates
  • Significant weight saving from a new frame and swingarm
  • Revised rigidity balance for both, with increased ground clearance
  • Longer travel front and rear suspension

Model Overview

Now 286cc, the CRF300L’s new engine produces 10% more peak power of 20.1kW @ 8,500rpm, and 18% more peak torque at 26.6Nm @ 6,500rpm. Inlet cam timing has been revised, alongside both air intake and exhaust system for much stronger mid-range torque and power. Gear ratios 1-5 are shorter, for improved response, while 6th is taller for more relaxed high-speed cruising. An assist/slipper clutch now manages the rear wheel under hard down changes and offers 20% less load at the lever.

 

A redesigned steel frame, aluminium swingarm and bottom yoke are major contributors to a 4kg overall weight loss and feature revised rigidity balance for feedback and feel. Steering geometry has been adjusted in detail to match, and the forks have an extra 10mm travel.

Sharp-edged bodywork features a larger, 12.8L capacity fuel tank and comfortable, broad seat, distinctive asymmetric dual LED headlight and new, positive LCD instrument display. The riding position, too, has been altered to encourage the light steering manoeuvrability needed off-road and, just as usefully, around town.

 

3 Engine

An extra 14% cubic capacity for the single-cylinder, liquid-cooled DOHC engine – from 250cc to 286cc – is acquired by a 63mm stroke, as opposed to 55mm. Bore remains unchanged at 76mm, as does compression ratio of 10.7:1. Peak power of 20.1kW arrives @ 8,500rpm, peak torque of 26.6Nm @ 6,500rpm (up from 18.2kW @ 8.500rpm/22.6Nm @ 6,750rpm). The full dyno graph curves tells the full story beyond the peak power and torque uplift: the new engine is considerably stronger, everywhere, from 2,000rpm up.

To match the engine’s heavier punch and again, to smarten pick-up and acceleration, gear ratios 1-5 are shorter while 6th gear is taller, for more relaxed highway cruising. Addition of an assist/slipper clutch reduces lever load by 20% and manages rear wheel ‘hop’ on rapid downshifts – great for control, on or off-road. On the highway, top speed goes from 129km/h to 135km/h.

Revised timing of the intake cam specifically boosts low- to mid-range response – the rpm range most used around town or off-road – and works with a redesigned air filter, exhaust downpipe, muffler and ignition timing. An iridium spark plug, along with precise metering of fuel from the PGM-FI injection system, further enhances combustion efficiency and improves environmental credentials.

The engine uses an offset cylinder, reducing internal frictional losses, while the piston itself incorporates a special surface material, plus molybdenum coating. The oil pump features an internal relief structure that prevents aeration of relieved oil. The crank journal employs a half-split, press-fit metal bearing while the crank bearing uses a cast-iron bush. A primary balance shaft further reduces vibration.

The cooling system uses a 12.7kW heat-release radiator, sited on the left of the bike, protected with a polypropylene grill baffled to improve airflow. A thin guide-ring cooling fan is used to maintain even temperatures at low speeds, either in congested traffic or tricky off-road situations.

The CRF300 RALLY’s engine is fully EURO5 compliant.

 

Chassis

A total of 4kg has been saved overall from the CRF300 RALLY’s chassis, with wet weight now of 153kg. The steel semi-double cradle frame is completely new and contributes 2.15kg to the weight loss. Just as importantly, to promote handling feel and connection to front/rear traction, its flexibility balance has been tuned with 25% less lateral rigidity.

 

This has been achieved with decreased width (-30mm) for the main down tube and smaller, 25.4mm diameter lower down tubes (from 28.6mm) plus a 20mm decrease in width across the central bracing tube.

To match, the one-piece cast aluminium swingarm is not only 550g lighter, it features a 23% reduction in lateral rigidity. It’s also 15mm narrower just behind the pivot point and smooth, cross-sectional shaping is used to create uniform deflection. Extruded aluminium is used for the chain adjustment collar. The steel bottom yoke of the previous design has been changed for aluminium; this shaves 730g from an area high relative to the centre of gravity for faster steering response.

The 43mm Showa inverted fork gains 10mm of stroke to 260mm, with spring weight and damping settings revised for precise control over a wide range of terrain and speeds. Pro-Link rear suspension features a 260mm axle stroke; the Showa shock absorber is a single tube design.

Ground clearance has been increased, from 270mm to 275mm, thanks to revisions to the lower frame, engine crankcases and oil drain plug. Rake and trail are now set at 27.5°/109mm (from 27.6°/113mm) with 10mm longer wheelbase of 1455mm.

The front brake uses a single 296mm disc gripped by a two-piston caliper, the rear a 220mm disc and single-piston caliper; in common with the CRF competition machines the rear master cylinder is now a lightweight, integrated design. The discs feature a wave design – also taken directly from the CRF250R/CRF450R – with exceptional self-cleaning abilities in adverse conditions. 2-channel ABS is standard.

Lightweight aluminium rims further reduce unsprung mass; for 2021 the Alumite surface has been polished to a gloss finish. Block pattern enduro-style tyres (front, 80/100-21 51P and rear 120/80-18 62P) provide traction in a wide range of riding situations.

The 21-inch front wheel and 18-inch rear increase stability on rough terrain and allow the fitment of more off-road specific tyres if required. Application of a machined rear sprocket and M8 bolts (instead of M10) plus hollow rear axle saves 240g and 160g respectively.

Styling & equipment

  • Lighter, slimmer bodywork incorporates larger 12.8L fuel tank
  • Broader seat for comfort, now rubber mounted and 10mm lower in height
  • Positive LCD display even easier to read

The CRF300 RALLY is designed to cover distance and its styling reflects this. Derived from the parts used by the CRF450 RALLY, the ‘floating’ screen, upper/lower fairing and side shrouds effectively shield the rider to offer excellent defence against the elements. Hand guards offer further protection, both for the hands and the brake and clutch levers. A skid plate protects the machine’s underside and the gear lever features a folding tip.

From the machine’s mid-section back, the refreshed style is MX-sharp; the rear number plate bracket is much smaller, for a 300g saving; further weight has been saved by the aggressive shape of the front mudguard. The fuel tank grows in volume by 2.7L, to 12.8L; with 32.3 km/l achievable (WMTC) mode cruising range of over 410km is possible.

The seat is rubber mounted for comfort and the footpegs also now feature rubber inserts. Seat height is 885mm, 5mm taller than the CRF300L and 10mm lower than before. It features the same narrower profile up front as its sibling, but with an 20mm width across the seated area for long riding days.

To foster easy, light control the riding position has been subtly altered: the handlebars have been pulled back slightly, while the foot rests have been lowered and also moved back, to make gear changes in heavy off-road boots easier. And the CRF300 RALLY features internal handlebar weights to minimise vibration. The sidestand, too has been redesigned with a 10% larger area for its (now) folding footplate.

A redesigned, 70g lighter LCD display features large black digits on a crisp white display, for instant readability. The speedo numbers are also 6mm larger, at 23mm. Information includes gear position indicator, fuel mileage and consumption, average speed, stopwatch and rev-counter. The headlight is a compact, asymmetric dual LED unit, matched to a bulb taillight. The indicators, too, are LED and now flexibly mounted.

Specification

ENGINE
Type Liquid-cooled, single cylinder DOHC
Engine Displacement (cm³) 286cc
No. of Valves per Cylinder 4
Bore ´ Stroke (mm) 76mm x 63mm
Compression Ratio 10.7:1
Max. Power Output 20.1kW/8500rpm
Max. Torque 26.6Nm/6,500rpm
Oil Capacity 1.8L
FUEL SYSTEM
Carburation PGM-FI electronic fuel injection
Fuel Tank Capacity 12.8L
Fuel Consumption 32.3km/L
ELECTRICAL SYSTEM
Battery Capacity 12V-7AH
DRIVETRAIN
Clutch Type Wet multiplate, assist/slipper clutch
Transmission Type 6-speed
Final Drive Chain
FRAME
Type Steel semi-double cradle
CHASSIS
Dimensions (LxWxH) 2230 x 920 x 1415mm
Wheelbase 1455mm
Caster Angle 27.5°
Trail 109mm
Seat Height 885mm
Ground Clearance 275mm
Kerb Weight 153kg
Turning radius 2.3m
SUSPENSION
Type Front 43mm telescopic USD fork
Type Rear Prolink
WHEELS
Wheels Front Aluminium spoke
Wheels rear Aluminium spoke
Tyres Front 80/100-21M/C 51P
Tyres Rear 120/80-18M/C 62P
BRAKES
ABS System Type 2 channel ABS
Brakes Front 296 mm x  3.5mm disc with two piston caliper
Brakes Rear 220 mm x  4.5mm disc with single piston caliper
INSTRUMENTS & ELECTRICS
Instruments LCD
Headlight LED
Taillight Bulb

Finance

 

REPRESENTATIVE EXAMPLE

Model CRF300LRA RALLY 21YM
OTR £6,039.00
Deposit £1,073.47
Amount of Credit £4,965.53
36 Payments of £79.00
Final Payment £2,929.64
Final Payment inc Option Fee £2,939.64
Total Amount Payable £6,857.11
APR 6.9%
Option to Purchase Fee £10.00
Annual Contracted Mileage 4,000
Excess Mileage Charge £0.03
Interest Rate pa 6.60%
Model OTR Deposit Amount of Credit 36 Payments of Final Payment Final Payment inc Option Fee Total Amount Payable APR Option to Purchase Fee Annual Contracted Mileage Excess Mileage Charge Interest Rate pa
CRF300LRA RALLY 21YM £6,039.00 £1,073.47 £4,965.53 £79.00 £2,929.64 £2,939.64 £6,857.11 6.9% £10.00 4,000 £0.03 6.60%

Finance examples are based a standard bike.  Finance is subject to status and our usual terms, please see the finance link on the footer of this page for further information