Air Filter HiFlo - MBK CW 50 RS Booster Spirit 2002

Overview

This Hiflofiltro dual-stage (DS) air filter has been specifically engineered for the Yamaha scooter models listed below. It replaces the original equipment air filter and installs directly into the stock airbox with no modification required. The dual-stage foam construction is designed to deliver consistent airflow while providing strong filtration performance in dusty or year-round riding conditions. This helps support smooth running and dependable performance.

Motorcycle fitment

This air filter is suitable for the following Yamaha models:

• Yamaha BWs CW 50 (5WW) Air Filter HiFlo 2004 All Regions
• Yamaha BWs CW 50 Bump Air Filter HiFlo 1996 All Regions
• Yamaha BWs CW 50 NG Air Filter HiFlo 1999 All Regions
• Yamaha BWs CW 50 NG Air Filter HiFlo 1995 All Regions
• Yamaha BWs CW 50 Spy Air Filter HiFlo 1996 All Regions
• Yamaha BWs CW 50 T (B-Whizz) Air Filter HiFlo 1990 All Regions
• Yamaha BWs 50 Air Filter HiFlo 2014 All Regions
• Yamaha BWs 50 Air Filter HiFlo 2015 All Regions
• Yamaha BWs 50 Naked Air Filter HiFlo 2014 All Regions
• Yamaha BWs 50 Naked Air Filter HiFlo 2015 All Regions

If your motorcycle is listed above, this filter is the correct direct replacement for the original Yamaha air filter. (wemoto.com)

Why choose Hiflofiltro

• Direct replacement design with accurate dimensions for a reliable seal
• Dual-stage foam construction for strong dirt retention
• Designed to maintain consistent airflow and filtration
• Trusted aftermarket brand used by riders and professional workshops worldwide

Benefits on the road

• Supports smooth running and stable performance
• Helps protect internal engine components from dust and airborne contaminants
• Dependable filtration for year-round use
• Simple replacement keeps your airbox functioning as designed

When to replace or service your air filter

• At the service interval specified in your owner’s manual
• After riding in heavy rain, dust or dirty conditions
• If performance feels restricted or the filter looks heavily contaminated
• If the foam shows wear, tears or damage

Installation notes

• Access the airbox following the Yamaha service manual
• Clean the airbox interior with a lint-free cloth before fitting the new filter
• Lightly oil the foam element before use, then ensure it seats evenly for a proper seal
• Reassemble all components carefully before riding

Care and maintenance

• This is a dual-stage foam air filter and should be oiled before use
• Clean with suitable foam filter cleaner, rinse, and allow to dry fully
• Re-oil evenly and refit once dry
• Inspect more frequently if riding in dusty conditions

Technical summary

• Brand: Hiflofiltro
• Wemoto part number: AB9064
• Hiflofiltro reference: HFA4002DS
• Filter type: Dual-stage foam (DS)

Why buy from Wemoto

• Fast dispatch with clear returns support
• Comprehensive range of service parts to complete your job in one order
• Customer service backed by motorcycle experience

Returns

We hope that you are happy with your order, however, there may be instances where you wish to return an item. We ask that customers return items unused and with their original packaging. All returns should include a covering note stating the reason for the return and the order number clearly marked. Please retain the proof of postage until we have confirmed receipt of the items. We recommend sending by a recorded postage method. Refunds will be processed by the original payment method. If you paid on card, it can take up to 7 days to appear back in your account, with PayPal refunds taking up to 30 days refund if you've simply changed your mind, you have 30 days from the date of purchase to return your item(s) for a refund. Customers are responsible for return shipping costs where items are supplied correctly.

Exchanges

We allow customers up to 6 months after the purchase date to return the item for exchange, provided the item is in re-saleable conditions and proof of purchase can be established.

Supply errors

We ask that customers report supply errors as soon as possible after delivery. We reserve the right to decline issues reported beyond 6 months of the purchase date. Please check your order thoroughly on receipt. Where goods are supplied in error, or arrive damaged, we will cover all shipping costs and exchange or refund in full. We reserve the right to charge a 15% restocking fee for items that are returned in poor condition or outside of the accepted time period.

Electrical Items

Please note that when fitting electrical parts these can be damaged by the same faulty electrical system that caused the initial failure and in such circumstances these parts cannot be returned for a refund

Fitting Issues

Where customers experience issues fitting parts to their vehicle, we will always endeavor to thoroughly investigate and rectify where possible. We will first try to ascertain that you have purchased for the correct model of bike and that no modifications have been made. We cannot be held liable for issues fitting standard parts to non-standard or modified vehicles.