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Description
The Mini Powercore 4 is a great performance bolt on for your mini. Offered as a standard Mini Powercore 4, Closed Course Big Bore System or as a Spark Arrestor Version, the Mini Powercore 4 features a Hi-Flo stainless steel core and formed end caps, an aircraft grade aluminum canister and a durable stainless steel header. Its pounds lighter than stock and you will swear the motor has been bored and stroked with the first twist of the throttle.
FEATURES
- Hi-Flo cap boosts all-around performance
- Computer designed and dyno-tested for every 4-stroke application
- Enhanced sonic evaluation delivers a higher flow of exhaust gases, which increases power
- A stainless steel mid-pipe mates to the computer-designed rear can for lightweight durability
- Round perforated steel inner cores make for optimum flow, using hi-flo technology
- FMF's exclusive cross-weave internal packing provides longevity and maximum sound dispersion
- Elliptical aluminum can offers strategic sizing for superior performance
- optional Quiet Core insert will provide a decrease in sound level if desired
- Available with a screen-type spark arrestor that does not interrupt exhaust flow or performance
NOTE: This item may be subject to additional shipping charges.
Technical Specifications
- MFG. Part Number 041502
Vehicle Information
Honda CRF70F Dirt Bike (2004-2012)
The Honda CRF70F is a popular off-road motorcycle, designed for young riders and produced from 2004 to 2012. It was replaced by the CRF110F in 2013. Throughout its production run, the CRF70F maintained consistent engine specifications and was primarily offered as a single trim. It features a 72cc (71.8cc) air-cooled, single-cylinder, four-stroke engine with a Single Overhead Camshaft (SOHC) two-valve configuration. This engine delivers approximately 5 horsepower and 5 Nm of torque. The transmission is a three-speed constant-mesh with an automatic clutch, allowing for clutchless shifting. There were no significant mid-cycle generation or engine changes reported between 2004 and 2012; the core engine and chassis design remained largely consistent, emphasizing reliability and ease of use. FAQ:
Q: Does this page apply to all Honda CRF70F models?
A: To ensure exact part compatibility, please use the year and model selector at the top of the page.
Maintenance
| Component | Interval | Details |
| Engine Oil Changes | Every 10 hours (recreational riding) or every 5 hours (aggressive riding) | Vital for engine health. |
| Oil Filter | Replaced during engine oil changes | |
| Air Filter Service | Every 10 to 15 hours (recreational riding) or every 5 hours (aggressive or dusty conditions) | Critical for engine performance. Ensure the filter is properly oiled after cleaning. |
| Spark Plug | Every 30 hours | The owner's manual provides the specific inspection and replacement schedule. |
| Belt | Not applicable | The Honda CRF70F uses a final chain drive, not a belt. The typical OEM chain size is 420. |
| Coolant | Not applicable | The Honda CRF70F is an air-cooled motorcycle and does not use a liquid coolant system. Maintenance involves keeping the engine's cooling fins clean. |