BMC FM634/04 panel motorcycle air filter for Mbk Citycruiser 125, Cityliner 125 (EURO3), Skycruiser 125/Premium | Yamaha Xcity 125/Vp, Xcity 250/Vp, Xmax…
BMC FM634/04 panel motorcycle air filter for Mbk Citycruiser 125, Cityliner 125 (EURO3), Skycruiser 125/Premium | Yamaha Xcity 125/Vp, Xcity 250/Vp, Xmax… - product view 2
BMC FM634/04 panel motorcycle air filter for Mbk Citycruiser 125, Cityliner 125 (EURO3), Skycruiser 125/Premium | Yamaha Xcity 125/Vp, Xcity 250/Vp, Xmax… - product view 3
Special Order BMC Filter

BMC FM634/04 Air Filter - Mbk Citycruiser 125 & Yamaha Xcity 125

Part No. FM634/04
Application MBK Citycruiser 125 & Yamaha Xcity 125
Order Type Inquiry Required

Request This BMC Filter

This BMC filter may be available by special order or fitment inquiry. Contact European Performance Filters to confirm fitment, availability, lead time, pricing, and ordering requirements before purchasing.

Status Special order / availability confirmation required
Lead Time Contact EPF for current lead time
Fitment Confirm before ordering
Request Special Order Help
Special order stipulations

Special-order items may require payment up front and are typically not cancelable or returnable once ordered from BMC. Lead times can vary by BMC availability, production status, and import timing. Contact EPF before ordering to confirm fitment, availability, lead time, pricing, and ordering requirements.

GENUINE BMC WASHABLE REPLACEMENT AIR FILTER

BMC Air Filter FM634/04

The BMC FM634/04 is a washable, reusable panel motorcycle air filter for Mbk Citycruiser 125, Cityliner 125 (EURO3), Skycruiser 125/Premium | Yamaha Xcity 125/Vp, Xcity 250/Vp, Xmax 125/Sport/Business/Iron Max (EURO3/EURO4), Xmax 250/Sport/Black Max/Iron Max. It is available by special order; confirm the exact listed model year and factory airbox before ordering.

OEM-Style Fitment

Designed to replace the factory air filter on compatible applications where BMC FM634/04 is specified.

Washable & Reusable

This BMC filter can be cleaned and re-oiled with the proper BMC cleaning kit instead of being discarded like a standard paper filter.

Performance Filtration

BMC’s oiled cotton gauze design supports improved airflow while maintaining filtration for performance-focused applications.

Vehicle Fitment

Application Guide for BMC FM634/04

Use the table below to help confirm whether this BMC air filter matches your vehicle, engine, and application.

Year Range Make Model Engine Trim / Notes BMC Part No. OEM Cross Reference
2007–2011 Mbk Citycruiser 125 Model-specific motorcycle engine Confirm exact model year, market, and factory airbox FM634/04 YAMAHA 1B91445100
2007–2015 Mbk Cityliner 125 (EURO3) Model-specific motorcycle engine Confirm exact model year, market, and factory airbox FM634/04 YAMAHA 1B91445100
2006–2015 Mbk Skycruiser 125/Premium Model-specific motorcycle engine Confirm exact model year, market, and factory airbox FM634/04 YAMAHA 1B91445100
2007–2015 Yamaha Xcity 125/Vp Model-specific motorcycle engine Confirm exact model year, market, and factory airbox FM634/04 YAMAHA 1B91445100
2007–2013 Yamaha Xcity 250/Vp Model-specific motorcycle engine Confirm exact model year, market, and factory airbox FM634/04 YAMAHA 1B91445100
2006–2020 Yamaha Xmax 125/Sport/Business/Iron Max (EURO3/EURO4) Model-specific motorcycle engine Confirm exact model year, market, and factory airbox FM634/04 YAMAHA 1B91445100
2005–2016 Yamaha Xmax 250/Sport/Black Max/Iron Max Model-specific motorcycle engine Confirm exact model year, market, and factory airbox FM634/04 YAMAHA 1B91445100
Fitment note: This fitment table is based on BMC's published application data for FM634/04. Confirm the exact model, year, market, factory airbox, and OEM reference before ordering.

Product Specifications & Cross References

Platform MBK & Yamaha scooter applications
Engine Notes Fits the listed model-specific motorcycle applications where BMC FM634/04 or YAMAHA 1B91445100 is specified. Confirm the exact model, year, market, and factory airbox.
BMC Part Number FM634/04
Filter Type Panel
Filter Dimensions 136 × 417 mm
GTIN / EAN 8032872868893
Package Contents 1 Air Filter
OEM Cross References YAMAHA 1B91445100

Why Choose BMC?

BMC replacement filters are built for drivers and riders who want reusable performance filtration while keeping an OEM-style airbox fitment.

The FM634/04 is designed for compatible applications where this BMC part number is specified. It is a smart choice for enthusiasts, shops, and installers looking for a washable replacement filter without converting to a full intake system.

Cleaning & Maintenance

BMC filters are washable and reusable when serviced correctly. Use the proper BMC cleaning kit, allow the filter to dry fully, and avoid over-oiling before reinstalling it.

Shop BMC Cleaning Kit Read Cleaning Guide Installation Guide
Fitment Support

Not Sure This Is the Correct BMC Filter?

Contact European Performance Filters before ordering. We can help verify the correct BMC part number using your vehicle details, model, engine, and production information.

Contact EPF for Fitment Help Shop Motorcycle BMC Filters
Product FAQ

BMC FM634/04 FAQ

Is BMC FM634/04 a direct replacement filter?

Yes. BMC FM634/04 is designed as an OEM-style replacement filter for compatible applications where this BMC part number is specified.

Does this BMC filter require tuning?

No tuning is typically required when BMC FM634/04 is installed as a direct replacement in the correct factory airbox. A motorcycle with additional intake, exhaust, fueling, or engine modifications should be evaluated as a complete setup.

Can this BMC filter be cleaned and reused?

BMC FM634/04 is washable and reusable. Service it with the proper BMC cleaning and re-oiling kit, allow it to dry fully before oiling, and avoid over-oiling before reinstallation.

How do I confirm this filter fits my vehicle?

BMC FM634/04 fits the applications listed in the fitment table. Match the exact model and year, then confirm the factory airbox and OEM reference YAMAHA 1B91445100.