Two Wheels | 0131 667 7305

Edinburgh's Honda Motorcycle Dealer

Two Wheels

0131 667 7305

2017 CB650F

Honda's naked four-cylinder middleweight gains 3kW peak power and a boisterous induction roar, plus a Showa Dual Bending Valve front fork and revised Nissin brake calipers. New stripped-back styling highlights the engine and exudes a tougher, uncompromising attitude.

Naked Street-fighter Style

With a special nod to the seminal 1970's CB400 with its side-swept exhaust downpipes, the 2017 CB650F brings an exciting new jolt of energy and naked street-fighter style.

Pared Back Styling

More peak power from revised intake funnels and a new free-breathing exhaust gives the CB650F a satisfying rush up to its 11,000rpm redline, while shorter gear ratios ensure harder acceleration through the mid-range. And with the power upgrade, a new raucous growl emanates from down low, growing swiftly to a fast-spinning howl as the revs rise.

Its handling has been further sharpened with a Showa Dual Bending Valve front fork and revised Nissin front brake calipers. The CB650F's graceful lines accentuate the engine's muscularity and the machine's forceful forward stance. The headlight and taillight are now LED while rubber-mounted handlebars add long distance comfort.

1. Introduction

The four-cylinder middleweight has long been a key machine within the wide range of Honda motorcycles. Genuine middleweights provide accessible and enjoyable engine performance tied to minimal mass, giving the kind of pound-for-pound performance that makes a great place from which to begin - or resume - a motorcycling career.

The CB650F, which debuted in 2014, continues the tradition. Designed by a young team of engineers, it harnesses the lightweight form and high quality engineering of all mid-capacity Hondas – with a special nod to the seminal 1970's CB400 from its side-swept exhaust downpipes – and injected an exciting new jolt of energy and naked streetfighter style.

The 2017 evolution raises the adrenalin level further. The new CB650F makes more power, and delivers an amplified soundtrack that matches its steelier edge. Stripped down further, and with even sharper handling, it packs a punch that's hard to ignore.

Mr Sadataka Okabe, Large Project Leader (LPL) 17YM CB650F: 

“Genuine middleweight four-cylinder motorcycles are an important Honda tradition. Bigger is not always better and for the 2017 CB650F we wanted to give riders more of what matters – performance, acceleration, style and handling ability ­– without adding weight or cost. We also wanted to give an even higher specification, with new features like LED lighting and the latest SDBV fork.”

2. Model Overview

More peak power from revised intake funnels and a new free-breathing exhaust gives the CB650F a satisfying rush up to its 11,000rpm redline, while shorter gear ratios ensure harder acceleration through the mid-range. And with the power upgrade, a new raucous growl emanates from down low, growing swiftly to a fast-spinning howl as the revs rise.

Its handling has been further sharpened with a Showa Dual Bending Valve front fork and revised Nissin front brake calipers. The CB650F's lithe lines – with smaller side cowls and nose cowl – accentuate the engine's muscularity and the machine's forceful forward stance. The headlight and taillight are now LED while rubber-mounted handlebars add long distance comfort.

3. Key Features

3.1 Engine

For 2017 the CB650F's engine has an extra 3kW up top, with a 67kW @ 11,000rpm peak power output. The increase ­– which kicks in from 5,000rpm ­– is due to new intake and exhaust flow management: shorter air intake funnels feed four 32mm throttle bores from a down-flow airbox (which itself draws through larger intake ducts) and in turn the right side-swept 4-1 exhaust now employs a dual-pass internal structure (rather than triple-pass) in the muffler, reducing back pressure. It also features a larger final outlet.

With shorter gear ratios from second through to fifth, the new CB650F gets away faster than the previous design and from a 60km/h second gear roll-on will put out 3 bike lengths over 400m.

Slightly increased peak torque of 64Nm arrives at 8,000rpm, while the engine's tractability allows it to pull smoothly from idle at 1,500rpm in sixth gear. Adding an extra layer of aural satisfaction, a throaty induction growl at low-to-mid rpm swaps over to an addictive high-rpm howl reminding the CBR650F rider of Honda's four-cylinder racing pedigree.

The 649cc engine uses a compact internal architecture, stacked six-speed gearbox and starter/clutch layout with the cylinders canted forward 30°. The DOHC 16-valve cylinder head employs direct cam actuation; bore and stroke is set at 67mm x 46mm with compression ratio of 11.4:1.

Asymmetric piston skirts minimise bore contact and reduce friction. Ferrous spines on the outer surface of the cylinder sleeves reduce oil consumption (and friction) with improved heat transfer and a silent SV cam chain reduces frictional losses by using a Vanadium coating on its pins. Internal water channeling from cylinder head to cylinders does away with a great deal of the exterior hoses.

Fuel consumption of 21km/l (WMTC mode) gives a range of over 350km from the 17.3L fuel tank. The CB650F engine is EURO 4 compliant.

3.2 Chassis

The CB650F's steel diamond frame uses twin 64mm x 30mm elliptical spars with a rigidity balance specifically tuned (stiffer around the headstock and more 'flexible' in the spar sections) to deliver balanced handling characteristics with high levels of rider feedback. Rake is set at 25.5° with trail of 101mm and wheelbase of 1,450mm. Kerb weight is 208kg.

A brand new 41mm Showa Dual Bending Valve (SDBV) front fork improves ride comfort and handling, delivering proportional rebound damping with firmer compression damping as the 120mm stroke is used up. Octagonal fork caps are finished in attractive Alumite. Adjustable for 7-stage spring preload the single-tube monoshock operates directly on the curvaceous gravity die-cast aluminium swingarm.

Cast aluminium six-spoke wheels wear 120/70-17 and 180/55-17 front and rear radial tyres and feature L shaped air valves for easier maintenance. Revised two-piston Nissin front calipers work 320mm wavy discs, with a single-piston rear 240mm disc. Two-channel ABS is fitted as standard.

Tight as a clenched fist, the CB650's styling is pared back hard. New, smaller side cowls highlight the angular fuel tank and show off the engine while the stubby seat unit and cut-back front mudguard adds to the Mass Forward stance. Both the clear-lensed taillight and headlight are LED and the headlight cowl has been drawn in tighter, with sharper angles and a harder edge.

The riding position has been moved slightly forward, placing the rider closer to the front wheel; flatter tubular handlebars use optimised internal weights and now clamp into rubber-mounted risers to aid rider comfort. The seat's narrow middle profile helps ground reach and it sits on rubber mounts that are carefully shaped (with specific hardness) to minimise any vibration. Seat height is 810mm.

The dash comprises twin large digital screens. On the left are the rev-counter and speedometer; on the right are a fuel gauge, clock, odometer and the warning lights. Both sides are lit by a white back light. The key is a compact 'wave' design.

Underscored with a blacked-out frame, swingarm and wheels ­(plus bronzed engine covers) the CB650F will be available in the following colour options:

Millennium Red

Sword Silver Metallic

Pearl Metalloid White

Matt Gunpowder Black Metallic

Pearl Spencer Blue

4. Technical Specifications

ENGINE

 

Type

4-cylinder, liquid-cooled, 4-stroke, DOHC, 4-valves

Engine Displacement (cm³)

649cc

Bore ' Stroke (mm)

67.0 x 46.0

Compression Ratio

11.4:1

Max. Power Output

67kW/11,000rpm

Max. Torque

64Nm/8,000rpm

Oil Capacity

3.5L

FUEL SYSTEM

 

Carburation

PGM-FI electronic fuel injection

Fuel Tank Capacity

17.3L

Fuel Consumption

21km/litre

ELECTRICAL SYSTEM

 

Starter

Electric

Battery Capacity

12V/8.6AH

ACG Output

343W

DRIVETRAIN

 

Clutch Type

Wet, multiplate disc

Transmission Type

6-speed

Final Drive

Chain

FRAME

 

Type

Steel diamond

CHASSIS

 

Dimensions (LxWxH)

2110 x 775 x 1120mm

Wheelbase

1450mm

Caster Angle

25.5

Trail

101mm

Seat Height

810mm

Ground Clearance

150mm

Kerb Weight

208kg

Turning radius

 

SUSPENSION

 

Type Front

41mm SDBV telescopic fork

Type Rear

Monoshock damper with adjustable preload

WHEELS

 

Rim Size Front

Hollow section 6-spoke cast aluminium

Rim Size Rear

Hollow section 6-spoke cast aluminium

Tyres Front

120/70ZR17 M/C (58W)

Tyres Rear

180/55ZR17 M/C (73W)

BRAKES

 

ABS System Type

2 channel; hydraulic dual disc 320mm front, hydraulic disc 240mm rear

INSTRUMENTS & ELECTRICS

 

Instruments

 

Headlight

LED

Taillight

LED

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