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Honda CRF150R Expert 2011

Sold as Honda CRF150R Big Wheel for 2020–2025.

Intermediate · 6/10

Motocross / Racing

2011 Honda CRF150R Expert

149cc

4-stroke

34.1in

Seat height

10.8in

Front travel

5spd

Gearbox

2011 Honda CRF150R Expert overview

Where it ridesRace-ready
  • Street
  • Trail
  • Woods
  • Rocks
  • Desert
  • Track

The 2011 Honda CRF150R Expert is a motocross race bike with a 149 cc liquid-cooled four-stroke single-cylinder engine and carburetor. Its 5-speed transmission and kick start suit track and race use, while the 19-inch front and 16-inch rear wheels distinguish its Expert configuration. Suspension travel is 10.8 in front and 11.1 in rear, and the seat height is 34.1 in. The fuel tank holds 1.14 gal. It is not street legal in the US.

Who it's for

This bike is for motocross racers and riders who spend their time practicing or competing on motocross tracks. Its 149 cc four-stroke engine and Expert wheel setup suit riders seeking a race-focused machine with larger wheels and a taller seat than the standard CRF150R. It is not for street riding, since it is not street legal in the US.

Quick facts

  • The 2011 Honda CRF150R Expert has a 149cc carbureted 4-stroke engine, a 5-speed gearbox and kick start.
  • The 2011 CRF150R Expert has a 34.1 in seat height.
  • The 2011 CRF150R Expert runs 70/100-19 front and 90/100-16 rear tires.
  • The 2011 CRF150R Expert takes 0.59 US qt (0.56 L) engine oil; change it every 6 races or 15 hours.
  • The 2011 CRF150R Expert is not street legal in the US.

2011 Honda CRF150R Expert photos

2011 Honda CRF150R Expert specifications

Engine

Displacement
149cc
Stroke
4-stroke
Fuel system
Carburetor
Bore × stroke
66 × 43.7 mm
Compression
11.7:1
Cooling
Liquid
Configuration
Single-cylinder
Engine oil
0.59 US qt (0.56 L)
Gearbox oil
0.60 US qt (0.57 L)
Coolant
0.80 US qt (0.76 L)

Clutch

Type
Wet multiplate
Actuation
Cable

Drivetrain

Starting
Kick
Transmission
5-speed
Chain size
420
Chain links
126
Rear sprocket
56T

Dimensions

Seat height
34.1″
Ground clearance
13.2″
Wheelbase
50.6″
Width
30.3″
Height
46.1″
Length
74.8″
Fuel capacity
1.14 gal

Frame & steering

Architecture
Semi double cradle
Rake
27.8°
Trail
3.78″

Suspension

Front travel
10.8″
Rear travel
11.1″

Wheels & tires

Front wheel
19″
Rear wheel
16″
Front tire
70/100-19
Rear tire
90/100-16

Stock features

Street legal (US)
No

Battery / electrical

Battery
No

2011 Honda CRF150R Expert maintenance

From the maker's manuals. Tap a row to see the manual page.

Service intervals

Change engine oil (first time)
Substitua após o primeiro amaciamento
Change engine oil
Every 6 races or 15 hours
Replace oil filter (first time)
Substitua após o primeiro amaciamento
Replace oil filter
Every 6 races or 15 hours
Inspect gearbox oil
Every race or 2.5 hours
Change gearbox oil
Every 6 races or 15 hours
Clean air filter
Every race or 2.5 hours
Inspect spark plug
Every race or 2.5 hours
Replace piston and rings
Every 6 races or 15 hours

Spark plug

Spark plug
NGK CR8EH-9
Plug gap
0.031 – 0.035 in (0.8 – 0.9 mm)
Spark plug (alternative)
Denso U24FER9
Spark plug (optional)
NGK CR9EH-9
Spark plug (optional, alternative)
Denso U27FER9

Torque specs

Oil drain bolt
16 ft‑lb (22 N·m, 2.2 kgf·m)
Oil filter cover bolts
7.4 ft‑lb (10 N·m, 1.0 kgf·m)
Gearbox oil drain bolt
16 ft‑lb (22 N·m, 2.2 kgf·m)
Front axle nut
51 ft‑lb (69 N·m, 7.0 kgf·m)
Rear axle nut
65 ft‑lb (88 N·m, 9.0 kgf·m)
Upper triple clamp bolts
16 ft‑lb (22 N·m, 2.2 kgf·m)
Lower triple clamp bolts
16 ft‑lb (22 N·m, 2.2 kgf·m)
Steering stem nut
94 ft‑lb (128 N·m, 13.1 kgf·m)
Handlebar clamp bolts
16 ft‑lb (22 N·m, 2.2 kgf·m)
Front brake caliper mounting bolts
22 ft‑lb (30 N·m, 3.1 kgf·m)
Brake disc bolts
15 ft‑lb (20 N·m, 2.0 kgf·m)
Rear sprocket nuts
24 ft‑lb (32 N·m, 3.3 kgf·m)
Front sprocket bolt
9.6 ft‑lb (13 N·m, 1.3 kgf·m)
Chain adjuster locknut
20 ft‑lb (27 N·m, 2.8 kgf·m)
Shock absorber mounts
32 ft‑lb (44 N·m, 4.5 kgf·m)
Coolant drain bolt
7.4 ft‑lb (10 N·m, 1.0 kgf·m)

Parts that fit the 2011 Honda CRF150R Expert

Exact parts for this bike. Tap one to see every store selling it, cheapest first.

Maintenance

Oil, filters, spark plug, brake pads and drive parts you replace as you ride.

Tires

Stock sizes, from the maker's manual.

Prices include shipping where the store lists it and were checked Nov 2, 2026. A store that doesn't list its shipping shows an estimate (~): what it charges on its other parts, or what paid shipping on this part typically costs. Prices change, so confirm at the store before you buy.

2011 Honda CRF150R Expert vs 2010

New for 2011: Honda's US site still sold the 2009 model; Honda Europe and Honda Brazil list the same bike. None of the specs below changed from the 2010 model.

Spec20102011Changed
Displacement149ccSame
Seat height34.1 inSame
Front travel10.8 inSame
Rear travel11.1 inSame
Fuel1.14 galSame
Gearbox5-speedSame
Front tire70/100-19Same
Rear tire90/100-16Same

Honda CRF150R Expert FAQ

  1. What engine does the 2011 Honda CRF150R Expert have?

    It has a 149 cc liquid-cooled four-stroke single-cylinder engine with a carburetor.

  2. How tall is the seat on the 2011 Honda CRF150R Expert?

    The seat height is 34.1 in.

  3. How much suspension travel does the 2011 Honda CRF150R Expert have?

    It has 10.8 in of front travel and 11.1 in of rear travel.

  4. What engine oil does the 2011 Honda CRF150R Expert use?

    Engine oil capacity is 0.59 US qt (0.56 L).

  5. What wheel sizes does the 2011 Honda CRF150R Expert have?

    It has a 19-inch front wheel and a 16-inch rear wheel.

  6. How many gears does the 2011 Honda CRF150R Expert have?

    It has a 5-speed transmission.

  7. Is the 2011 Honda CRF150R Expert street legal?

    It is not street legal in the US.

  8. How much fuel does the 2011 Honda CRF150R Expert hold?

    The fuel capacity is 1.14 gal.

  9. How is the 2011 Honda CRF150R Expert different from the CRF150R?

    The Expert has 19-inch front and 16-inch rear wheels, compared with 17-inch front and 14-inch rear wheels on the CRF150R, and its seat height is 34.1 in vs 32.8 in. Rear suspension travel is 11.1 in vs 10.7 in.

  10. What size tires does the 2011 Honda CRF150R Expert use?

    70/100-19 front and 90/100-16 rear.

  11. What spark plug does the 2011 Honda CRF150R Expert take?

    NGK CR8EH-9 (or Denso U24FER9), gapped 0.031 – 0.035 in (0.8 – 0.9 mm).

  12. What chain does the 2011 Honda CRF150R Expert use?

    A 420 chain with 126 links.

  13. Is the 2011 Honda CRF150R Expert different from the 2010 model?

    Yes. New for 2011: Honda's US site still sold the 2009 model; Honda Europe and Honda Brazil list the same bike. None of the main specs changed from the 2010 model.

Other Honda CRF150R Expert model years

Specs from Honda's owner's manual. Updated .