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2017 Honda CRF125F Overview
The 2017 Honda CRF125F is a cross / motocross motorcycle. Under the tank sits a Single cylinder, four-stroke engine running Single Overhead Cams (SOHC) valve actuation, a compression ratio of 9.5:1. The bore and stroke measures 52.4 x 57.9 mm. 2017 Honda CRF125F delivers 10.20 Nm @ 4500 Revolutions of torque. From a practical standpoint, the 2017 CRF125F tips the scales at 88 kg, carries a 4.30-litre fuel tank, offers a seat height of 735 mm and spans a 1,219 mm wheelbase. Scroll down for the complete 2017 Honda CRF125F spec sheet covering every technical detail from suspension travel to tyre sizes.
2017 CRF125F - Pros & Cons
Strengths
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📏
Accessible seat height: At 735 mm, the seat height is approachable for a wide range of rider heights and builds confidence in low-speed manoeuvring.
Considerations
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🔧
Carburetor fuelling: Carbureted engines need occasional jetting attention and can be reluctant in cold weather or at altitude compared to modern fuel-injected alternatives.
Owner Experiences & Common Issues
Carburetor maintenance
Carburetors on the 2017 Honda CRF125F benefit from a clean and re-jet if the bike has been stored, run on stale fuel, or modified with an aftermarket exhaust. Owners frequently mention that fresh jets and float needle clips transforms throttle response from flat to crisp.
Valve clearance checks
Single Overhead Cams (SOHC) engines should have valve clearances checked at the manufacturer's specified interval. Owners report that clearances can tighten over time on higher-mileage bikes, leading to slight ticking from the top end. Catching it early keeps the job simple and avoids more costly remediation.
CRF125F - Buying & Maintenance Guide
What to check before buying
When inspecting a used 2017 Honda CRF125F, start with the basics: check the service book for oil change frequency, inspect the chain and sprockets for wear, and look for oil seepage around the engine casings and rocker covers. A cold start test is invaluable - a well-maintained CRF125F should fire up cleanly and settle to a smooth idle within a few seconds.
Oil and filter changes
Regular oil changes are the single most important maintenance task on any CRF125F. Stick to the manufacturer's interval - typically every 6,000 km or once a year, whichever comes first. Always use the correct viscosity grade as specified in the owner's manual.
Carburetor upkeep
Keep the carburetors clean and free of deposits. If the CRF125F has been stored, strip and clean the carb float bowls before attempting to start it. Pilot jets are the first to block and the last to be checked - always include them in any carb rebuild.
Valve clearance service
Check that valve clearances have been adjusted at the correct intervals on any used CRF125F. This is a job many owners skip because the bike does not immediately feel wrong - but tight clearances accelerate valve seat wear. Ask for proof it has been done.
2017 Honda CRF125F - Frequently Asked Questions
What engine does the 2017 Honda CRF125F have?
The 2017 Honda CRF125F is powered by a Single cylinder, four-stroke engine.
How much does the 2017 Honda CRF125F weigh?
The 2017 Honda CRF125F weighs 88 kg. This is the manufacturer's wet figure.
How much power does the 2017 Honda CRF125F make?
The 2017 Honda CRF125F produces 10.20 Nm @ 4500 Revolutions of torque.
What is the fuel tank capacity of the 2017 Honda CRF125F?
The 2017 Honda CRF125F has a 4.30-litre fuel tank.
Is the 2017 Honda CRF125F suitable for shorter riders?
The 2017 Honda CRF125F has a seat height of 735 mm. This is a comfortable, accessible height for most riders.
What brakes does the 2017 Honda CRF125F have?
The 2017 Honda CRF125F uses Single disc. Hydraulic. at the front and Expanding brake at the rear.
What tyre sizes does the 2017 Honda CRF125F use?
The 2017 Honda CRF125F runs 70/100-17 front and 90/100-14 rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.
Honda CRF125F Spec Evolution
The Honda CRF125F was produced across 10 model years (2014-2023). The table below highlights the key specifications that changed across the production run - useful whether you are comparing years or tracking down a specific variant.
| Specification |
2014 |
2015 |
2016 |
2017 |
2018 |
2019 |
2020 |
2021 |
2022 |
2023 |
| Seat Height |
785 mm / 30.9 in. |
785 mm / 30.9 in. |
735 mm / 28.9 in. |
735 mm / 28.9 in. |
735 mm / 28.9 in. |
735 mm / 28.9 in. |
739 mm / 29.1 in. |
739 mm / 29.1 in. |
739 mm / 29.1 in. |
739 mm / 29.1 in. |
| Fuel Capacity |
4.30 litres / 1.14 gallons |
4.30 litres / 1.14 gallons |
4.30 litres / 1.14 gallons |
4.30 litres / 1.14 gallons |
4.30 litres / 1.14 gallons |
4.30 litres / 1.14 US gallons |
3.79 litres / 1.00 US gallons |
3.79 litres / 1.00 US gallons |
4.50 litres / 1.19 US gallons |
3.79 litres / 1.00 US gallons |
| Ground Clearance (mm) |
264 mm |
264 mm |
219 mm |
219 mm |
219 mm |
219 mm |
211 mm |
211 mm |
211 mm |
211 mm |
| Ground Clearance (in.) |
10.4 inches |
10.4 inches |
8.6 inches |
8.6 inches |
8.6 inches |
8.6 inches |
8.3 inches |
8.3 inches |
8.3 inches |
8.3 inches |
| Fuel Control |
SOHC |
Single Overhead Cams (SOHC) |
Single Overhead Cams (SOHC) |
Single Overhead Cams (SOHC) |
Single Overhead Cams (SOHC) |
Single Overhead Cams (SOHC) |
Single Overhead Cams (SOHC) |
Single Overhead Cams (SOHC) |
Single Overhead Cams (SOHC) |
Single Overhead Cams (SOHC) |
| Displacement (cc) |
124.90 cc |
- |
- |
- |
- |
124.9 cc |
124.9 cc |
124.9 cc |
124.9 cc |
124.9 cc |
| Comments |
Model ID: CRF125FB |
Model ID: CRF125F |
Model ID: CRF125F |
Model ID: CRF125F |
Model ID: CRF125F |
Model ID: CRF125F |
Model ID: CRF125F. |
Model ID: CRF125F. |
Model ID: CRF125F. |
Model ID: CRF125F. |
| Brakes - Rear Diameter (mm) |
125 mm |
125 mm |
125 mm |
125 mm |
125 mm |
- |
- |
- |
- |
- |
Key Specifications
Engine
Single cylinder, four-stroke
Torque
10.20 Nm (1.0 kgf-m or 7.5 ft.lbs) @ 4500 Revolutions
Weight
88.0 kg / 194.0 lbs
Fuel Capacity
4.30 litres / 1.14 gallons
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Full 2017 Honda CRF125F Specifications
Comments
Model ID: CRF125F
Colours
Red
Warranty
Six Months transferable limited warranty; extended warranty available with a Honda Protection Plan.
Ground Clearance (mm)
219 mm
Ground Clearance (in.)
8.6 inches
Seat Height
735 mm / 28.9 in.
Wheelbase
1,219 mm / 48.0 in.
Height
1,010 mm / 39.8 in.
Length
1,770 mm / 69.7 in.
Width
740 mm / 29.1 in.
Fuel Capacity
4.30 litres / 1.14 gallons
Wet Weight
88.0 kg / 194.0 lbs
Bore x Stroke (in,)
2.1 x 2.3 inches
Bore x Stroke (mm)
52.4 x 57.9 mm
Engine Type
Single cylinder, four-stroke
Fuel Control
Single Overhead Cams (SOHC)
Fuel System
Carburettor. 20mm piston-valve carburetor
Compression Ratio
9.5:1
Emissions
Meets current California Air Resource Board (CARB) and EPA off-road emissions standards.
Ignition
Capacitor Discharge
Starter
Kick
Valve System
2
Final Drive
Chain
Gearbox
4-speed
Primary Drive
13T/49T
Frame Type
Diamond, steel
Suspension - Front
31mm telescopic fork
Suspension - Rear
Pro-Link single-shock
Rake
25.3°
Trail
81 mm / 3.2 in.
Wheel Travel - Front
275 mm / 10.8 in.
Wheel Travel - Rear
282 mm / 11.1 in.
Brakes - Front Diameter (in.)
8.7 inches
Brakes - Front Diameter (mm)
220 mm
Brakes - Rear Diameter (in.)
4.9 inches
Brakes - Rear Diameter (mm)
125 mm
Brakes - Front
Single disc. Hydraulic.
Brakes - Rear
Expanding brake (drum brake)
Tyres - Front
70/100-17
Tyres - Rear
90/100-14
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