FMDB

Honda CRF150R Expert 2008

Sold as Honda CRF150R Big Wheel for 2020–2025.

Intermediate · 6/10

Motocross / Racing

2008 Honda CRF150R Expert

149cc

4-stroke

187lb

Curb weight

34.1in

Seat height

10.8in

Front travel

5spd

Gearbox

2008 Honda CRF150R Expert overview

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

The 2008 Honda CRF150R Expert is a motocross race bike with a 149 cc liquid-cooled, four-stroke single-cylinder engine, SOHC four-valve head and carburetor. Its kick start and five-speed transmission pair with a steel frame, fully adjustable 37 mm inverted Showa fork and fully adjustable Pro-Link Showa shock. Suspension travel is 10.8 in at the front and 11.1 in at the rear.

The Expert’s 19-inch front and 16-inch rear wheels distinguish it from the standard CRF150R. It has a 34.1 in seat height, 187 lb curb weight and 1.14 gal fuel capacity. The 2008 MSRP was $4,299. This competition-use-only model is not street legal in the US.

Who it's for

This bike is for experienced junior riders focused on motocross practice and racing. Its 34.1 in seat height and 19-inch front and 16-inch rear wheels suit riders looking for the Expert’s larger wheel setup rather than the standard CRF150R’s smaller wheels. The kick-start, 187 lb curb weight and competition-only use make it a focused choice for riders who can manage a race bike and do not need road registration or street equipment.

Quick facts

  • The 2008 Honda CRF150R Expert has a 149cc carbureted 4-stroke engine, a 5-speed gearbox and kick start.
  • The 2008 CRF150R Expert weighs 187 lb ready to ride and has a 34.1 in seat height.
  • The 2008 CRF150R Expert runs 70/100-19 front and 90/100-16 rear tires.
  • The 2008 CRF150R Expert takes 0.59 US qt (0.56 L) of 10W-30 engine oil; change it every 6 races or about 15 hours.
  • The 2008 CRF150R Expert listed at $4,299 (US MSRP). It is not street legal in the US.

2008 Honda CRF150R Expert photos

2008 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
Valve train
SOHC
Valves
4
Engine oil
0.59 US qt (0.56 L)
Oil type
10W-30
Gearbox oil
0.60 US qt (0.57 L)
Gearbox oil type
10W-30
Coolant
0.80 US qt (0.76 L)

Clutch

Type
Wet multiplate
Actuation
Cable
Assist
None (standard clutch)

Drivetrain

Starting
Kick
Transmission
5-speed
Chain size
420
Chain links
126
Front sprocket
15T
Rear sprocket
56T

Dimensions

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

Price & warranty

Colors
Red
Warranty
Sold “as is” with no warranties.

Frame & steering

Frame material
Steel
Architecture
Semi double cradle
Rake
27.8°
Trail
3.78″

Suspension

Front
37mm fully adjustable leading-axle inverted Showa cartridge fork
Front travel
10.8″
Rear
Pro-Link fully adjustable Showa single shock
Rear travel
11.1″

Wheels & tires

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

Brakes

Front disc
220 mm
Rear disc
190 mm

Stock features

Street legal (US)
No

Battery / electrical

Battery
No

2008 Honda CRF150R Expert maintenance

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

Service intervals

Change engine oil (first time)
After the first break-in ride
Change engine oil
Every 6 races or about 15 hours
Replace oil filter (first time)
After the first break-in ride
Replace oil filter
Every 6 races or about 15 hours
Inspect gearbox oil
Every race or about 2.5 hours
Change gearbox oil
Every 6 races or about 15 hours
Clean air filter
Every race or about 2.5 hours
Clean air filter
After every heat for dusty riding conditions
Inspect spark plug
Every race or about 2.5 hours
Replace piston and rings
Every 6 races or about 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 2008 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.

2008 Honda CRF150R Expert vs 2007

None of the specs below changed from the 2007 model.

Spec20072008Changed
MSRP$4,299Same
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 2008 Honda CRF150R Expert have?

    It has a 149 cc liquid-cooled, four-stroke single-cylinder engine with SOHC and four valves, fueled by a carburetor.

  2. What is the seat height of the 2008 Honda CRF150R Expert?

    The seat height is 34.1 in.

  3. How much does the 2008 Honda CRF150R Expert weigh?

    Its curb weight is 187 lb.

  4. How much suspension travel does the 2008 Honda CRF150R Expert have?

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

  5. What is the fuel capacity of the 2008 Honda CRF150R Expert?

    Fuel capacity is 1.14 gal.

  6. What transmission does the 2008 Honda CRF150R Expert use?

    It uses a five-speed transmission.

  7. What was the MSRP of the 2008 Honda CRF150R Expert?

    The MSRP was $4,299.

  8. What engine oil does the 2008 Honda CRF150R Expert use?

    It uses 10W-30 engine oil, with a capacity of 0.59 US qt (0.56 L).

  9. Is the 2008 Honda CRF150R Expert street legal?

    It is not street legal in the US.

  10. How is the 2008 Honda CRF150R Expert different from the CRF150R?

    The Expert has 19-inch front and 16-inch rear wheels versus 17-inch front and 14-inch rear wheels, a 34.1 in seat height versus 32.8 in, a 187 lb curb weight versus 183 lb, and 11.1 in of rear suspension travel versus 10.7 in. Its sprockets are 15/56 versus 15/50, and its chain has 126 links versus 120. The Expert’s MSRP was $4,299, compared with $4,199 for the CRF150R.

  11. What size tires does the 2008 Honda CRF150R Expert use?

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

  12. What spark plug does the 2008 Honda CRF150R Expert take?

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

  13. What chain and sprockets does the 2008 Honda CRF150R Expert use?

    A 420 chain with 126 links on a 15-tooth front and 56-tooth rear sprocket.

  14. Is the 2008 Honda CRF150R Expert different from the 2007 model?

    None of the main specs changed from the 2007 model.

Other Honda CRF150R Expert model years

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