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Honda CRF150R 2018

Intermediate · 6/10

Motocross / Racing

2018 Honda CRF150R

150cc

4-stroke

185lb

Curb weight

32.8in

Seat height

10.8in

Front travel

5spd

Gearbox

2018 Honda CRF150R overview

The 2018 Honda CRF150R is a competition-focused junior motocross bike with a liquid-cooled, 150 cc four-stroke single, carburetor, SOHC valve train and five-speed transmission. It uses a 37 mm inverted Showa fork with 10.8 in of travel and a Pro-Link Showa rear shock with 10.7 in. The 17-inch front and 14-inch rear wheels, 32.8 in seat height and 185 lb curb weight distinguish this standard-wheel version. Fuel capacity is 1.14 gal, and the original US MSRP was $5,099, plus a $150 destination charge. Designed only for competition use by experienced junior riders, it has a 150 lb rider weight limit and is not street legal in the US.

Who it's for

This CRF150R is for an experienced junior rider racing motocross who is suited to its 32.8 in seat height, 185 lb curb weight and kick-start routine. Its competition-only purpose makes it a fit for track practice and racing, not casual trail riding or road use. The 150 lb rider weight limit is an important part of choosing the bike for a young racer.

Quick facts

  • The 2018 Honda CRF150R has a 150cc carbureted 4-stroke engine, a 5-speed gearbox and kick start.
  • The 2018 CRF150R weighs 185 lb ready to ride and has a 32.8 in seat height.
  • The 2018 CRF150R runs 70/100-17 front and 90/100-14 rear tires.
  • The 2018 CRF150R takes 0.59 US qt (0.56 L) of 10W-30 engine oil; change it every 6 races or about 15 hours.
  • The 2018 CRF150R listed at $5,099 (US MSRP). It is not street legal in the US.

2018 Honda CRF150R photos

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2018 Honda CRF150R specifications

Engine

Displacement
150cc
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
Oil chamber
Dual
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
SAE 10W-30, JASO T 903 standard MA
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
120
Front sprocket
15T
Rear sprocket
50T

Dimensions

Seat height
32.8″
Ground clearance
11.9″
Wheelbase
49.6″
Width
30.3″
Height
44.6″
Length
72.1″
Curb weight
185 lb
Fuel capacity
1.14 gal

Price & warranty

Destination charge
$150
Colors
Red

Frame & steering

Architecture
Semi double cradle
Rake
27°
Trail
3.1″

Suspension

Front
37mm inverted Showa fork
Front travel
10.8″
Rear
Pro-Link Showa single shock
Rear travel
10.7″

Wheels & tires

Front wheel
17″
Rear wheel
14″
Front tire
70/100-17 40M Dunlop MX71F
Rear tire
90/100-14 49M Dunlop MX71

Brakes

Front disc
220 mm
Rear disc
190 mm

Stock features

Street legal (US)
No

2018 Honda CRF150R 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
Every moto (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 plug
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 mounting bolts
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 2018 Honda CRF150R

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

Maintenance

Oil, filters, spark plug, battery, brakes and drive parts you replace as you ride.

Prices include shipping where the store lists it and were checked Nov 1, 2026. A store that doesn't list its shipping is placed as if it charged what the other stores do. Prices change, so confirm at the store before you buy.

2018 Honda CRF150R vs 2017

Of the specs below, only the price changed: it has a $109 higher MSRP than the 2017 model.

Spec20172018Changed
MSRP$4,990$5,099New
Displacement150ccSame
Curb weight185 lbSame
Seat height32.8 inSame
Front travel10.8 inSame
Rear travel10.7 inSame
Fuel1.14 galSame
Gearbox5-speedSame
Front tire70/100-17 40M Dunlop MX71FSame
Rear tire90/100-14 49M Dunlop MX71Same

Honda CRF150R FAQ

  1. What engine does the 2018 Honda CRF150R have?

    It has a 150 cc liquid-cooled, four-stroke single-cylinder engine with a carburetor, SOHC valve train and four valves.

  2. How tall is the seat on the 2018 Honda CRF150R?

    The seat height is 32.8 in.

  3. How much does the 2018 Honda CRF150R weigh?

    Its curb weight is 185 lb.

  4. How much suspension travel does the 2018 Honda CRF150R have?

    It has 10.8 in of front travel and 10.7 in of rear travel.

  5. How much fuel does the 2018 Honda CRF150R hold?

    The fuel capacity is 1.14 gal.

  6. What was the 2018 Honda CRF150R’s MSRP?

    Its US MSRP was $5,099.

  7. What transmission does the 2018 Honda CRF150R have?

    It has a five-speed transmission.

  8. What engine oil does the 2018 Honda CRF150R use?

    It uses SAE 10W-30 engine oil, with a capacity of 0.6 US qt (0.56 L).

  9. Is the 2018 Honda CRF150R street legal?

    It is not street legal in the US.

  10. How is the 2018 Honda CRF150R different from the CRF150R Expert?

    The CRF150R has 17-inch front and 14-inch rear wheels vs 19 in front and 16 in rear, a 32.8 in seat vs 34.1 in, and weighs 185 lb vs 187 lb. Rear suspension travel is 10.7 in vs 11.1 in; sprockets are 15/50 vs 15/56; MSRP was $5,099 vs $5,299.

  11. What size tires does the 2018 Honda CRF150R use?

    70/100-17 front and 90/100-14 rear.

  12. What spark plug does the 2018 Honda CRF150R 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 2018 Honda CRF150R use?

    A 420 chain with 120 links on a 15-tooth front and 50-tooth rear sprocket.

  14. Is the 2018 Honda CRF150R different from the 2017 model?

    Yes. Among the main specs, only the price changed: it has a $109 higher MSRP than the 2017 model.

Other Honda CRF150R model years

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