New higher spec 2021 Honda CB125R announced with more power

The 2021 Honda CB125R has been revealed with more power from a new engine and higher-spec suspension

THE entry point into Honda Neo Sports Café ownership has been refreshed for next year as the 2021 Honda CB125R is revealed.

2021 Honda CB125R review, specs, features, and details

The new bike is now more powerful than before, with a revised engine pumping out the full learner legal limit for a CBT compliant machine. Not content with just boosting power, Honda has given the new machine a significant upgrade, with Showa Big Piston Forks now adorning the naked machine.

2021 Honda CB125R engine

  • New DOHC, 4V liquid-cooled engine
  • An extra 1.6bhp peak power taking it to 14.7bhp
  • Full Euro5 compliance

The previous generation CB125R was one of the few bikes in the learner legal class that didn’t make the full power output allowed in the segment. Fair enough, it’s 13.1bhp wasn’t massively down compared to the 15bhp of the competition, but when you only have 15bhp – every pony counts…

For 2021 Honda has redressed that balance, as the new machine gets a full 14.7bhp from next year. To achieve this, the bike has been given a revised engine featuring a longer stroke – bore and stroke now 57.3 x 48.4mm, compared to 58 x 47.2mm of before. The changes ups the new mill’s compressions ratio slightly, increasing it from 11:1 to 11.3:1. Minor changes these might be, but in a tiddly 125cc motor they'll definitely be felt.

The engine also gains a new inlet duct, air cleaner connector tube, and resonator. As with the previous model, the exhaust is underslung and exits through a dual-chamber muffler. The CB125R engine is fully Euro5 compliant.

Chassis

  • 41mm Showa’s Separate Function Big Piston USD forks

The big news with the chassis of the 2021 model is the inclusion of class-leading 41mm Showa Big Piston USD Forks, a claimed first on any 125cc machine. The forks now feature a gold anodised finish, not that it’ll affect performance, but even new riders know that gold forks are cooler than any other colour!

The rest of the chassis is the same as the previous generation, meaning we have a radially mounted Nissin four-pot caliper up front, and the same IMU system controlling the ABS.

2021 Honda CB125R specs

ENGINE

Type

Liquid-cooled 4-stroke 4-valve DOHC single cylinder

Engine Displacement (cm³)

124.9cc

No. of Valves per Cylinder

4

Bore and Stroke (mm)

57.3mm x 48.4mm

Compression Ratio

11.3:1

Max. Power Output

11.0kW @ 10,000rpm

Max. Torque

11.6Nm @ 8,000rpm

Oil Capacity

1.5L

FUEL SYSTEM

Carburation

PGM-FI electronic fuel injection

Fuel Tank Capacity

10.1L

Fuel Consumption

45.5km/L (WMTC Mode)

ELECTRICAL SYSTEM

Starter

Electric

Battery Capacity

YTZ6V 12V 5Ah MF

ACG Output

180W/5000rpm

DRIVETRAIN

Clutch Type

Wet, multiplate with coil springs

Transmission Type

6-speed

Final Drive

O-ring sealed chain

FRAME

Type

Inner Pivot Diamond Frame

CHASSIS

Dimensions (LxWxH)

2015mm x 820mm x 1055mm

Wheelbase

1345mm

Caster Angle

24.2°

Trail

90.2mm

Seat Height

816mm

Ground Clearance

140mm

Kerb Weight

130kg

Turning radius

2.3m

SUSPENSION

Type Front

41mm (SFF-BP) USD forks

Type Rear

Single-damper with preload adjustment

WHEELS

Rim Size Front

17M/C x MT3.00

Rim Size Rear

17M/C x MT4.00

Tyres Front

110/70R17M/C 54H

Tyres Rear

150/60R17M/C 66H

BRAKES

ABS System Type

Front & rear independent ABS with IMU

Type front

296mm hubless floating disc. Radial-mount Nissin 4-piston caliper

Type rear

220mm single disc a single-piston caliper

INSTRUMENTS & ELECTRICS

Instruments

LCD Display

Headlight

LED

Taillight

LED

Comments

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Anyone know this model will sell in the US?

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