Kids and mini · Four stroke
The kids' trail bike that replaced the CRF80F. Auto clutch, four speed, electric start, and fuel injection from 2019. The second bike for most Aussie kids. Sold in Australia from 2013 to 2026, 14 model years.
The CRF110F is the step after a PW50 or CRF50. It has a four speed gearbox with an automatic clutch, so a child learns gears without a clutch lever, an electric start with a kick backup, and an air cooled four stroke that runs on anything and never breaks. From 2019 it got fuel injection so it starts easily in the cold and does not need the carburettor cleaned every time it sits.
It suits kids from about six to ten, or a small adult who wants a pit bike. It is not a race bike; for a child who wants to race, a 65cc two stroke is the next step. For a child who wants to ride around the farm or the trails, this is the one.
Change the oil every 10 to 15 hours or a few times a season. It takes about a litre of 10W 30 or 10W 40 four stroke oil and there is no filter, just a screen. Clean the air filter every few rides and keep the chain adjusted and oiled, because kids do not.
Check the valve clearances once a year. Keep the throttle limiter set where it suits the child and check the brakes before every ride.
Engine hours between jobs: the schedule the Digital Garage tracks for this bike, based on the manual. Racers and hard riders go sooner, as above. Ride in sand or mud and halve the engine ones.
| Job | Every |
|---|---|
| Air filter clean and re-oil | 5h |
| Chain clean, lube and adjust | 8h |
| Engine oil change | 15h |
| Oil filter replace | 15h |
| Spoke tension check | 15h |
| Fastener torque check | 15h |
| Cables and throttle lube | 30h |
| Air boot and intake seal check | 40h |
| Silencer repack | 40h |
| Valve clearance check | 60h |
| Spark plug replace | 60h |
| Fuel filter / in-tank screen | 60h |
| Linkage bearings grease | 60h |
| Tyres inspect / replace | 60h |
| Tubes and rim locks | 60h |
| Rear brake pads | 60h |
| Clutch plates inspect | 80h |
| Chain slider, guide and roller | 80h |
| Front brake pads | 80h |
| Grips inspect / replace | 80h |
| Top end inspect (piston, rings, cylinder) | 100h |
| Carburettor / throttle body clean | 100h |
| Chain and sprockets replace | 100h |
| Fork service (oil and seals) | 100h |
| Swingarm bearings grease | 100h |
| Steering head bearings grease | 100h |
| Wheel bearings inspect | 100h |
| Radiator, hoses and clamps | 100h |
| Shock service | 120h |
| Cam chain and tensioner inspect | 150h |
| Brake discs inspect | 150h |
| Wiring and connectors | 150h |
| Bottom end inspect / rebuild | 200h |
| Water pump seal and impeller | 200h |

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Look for a straight frame, wheels that spin true, working brakes and a throttle that snaps shut. On the carburetted bikes make sure it starts and idles cleanly, because a gummed carburettor is the usual reason one is being sold cheap. On the fuel injected bikes check the battery holds a charge. Cosmetics do not matter.
Recent sold prices are on the Marketplace page linked below.
None listed right now. Selling one? List it free →
Old fuel gums it up. Drain it before storage.
Kids do not oil chains. Check for a stretched chain and hooked sprockets.
It is a kids trail bike. Adults riding it as a pit bike bottom it out.