The Boyesen WPK-09B Black Water Pump Cover and Impeller Kit is designed to improve cooling system performance and simplify routine maintenance on select Honda CRF150R motorcycles. This kit combines a durable cast aluminum water pump cover with a patented Nautilus-style impeller engineered for efficient coolant movement throughout the engine.
Its two-piece cast aluminum construction provides dependable durability for motocross and off-road use, while the integrated oil filter access allows easier filter changes without unnecessary component removal. The impeller promotes increased coolant flow across all engine speed ranges, helping maintain consistent cooling performance during demanding riding conditions.
Designed as a direct-fit replacement and performance upgrade, the Boyesen WPK-09B fits 2007, 2008, 2009, and 2012 through 2018 Honda CRF150R models. This black-finish kit is identified by manufacturer part number WPK-09B and vendor part number 59-8609B. Verify the motorcycle model and year before installation to ensure proper fitment.
Features:
- Construction: Durable two-piece cast aluminum design
- Maintenance Access: Integrated oil filter access supports hassle-free filter changes
- Coolant Flow: Increases coolant circulation across all engine speed ranges
- Impeller Design: Patented Nautilus-style impeller promotes hydrodynamic efficiency
- Finish: Black
- Fitment: Fits 2007, 2008, 2009, and 2012 through 2018 Honda CRF150R motorcycles
- Brand: Boyesen
- Manufacturer Part Number: WPK-09B
- Vendor Part Number: 59-8609B
Fitment:
2007 Honda CRF150R
2008 Honda CRF150R
2009 Honda CRF150R
2010 Honda CRF150R
2011 Honda CRF150R
2012 Honda CRF150R
2013 Honda CRF150R
2014 Honda CRF150R
2015 Honda CRF150R
2016 Honda CRF150R
2017 Honda CRF150R
2018 Honda CRF150R
2019 Honda CRF150R
2020 Honda CRF150R
2021 Honda CRF150R
2022 Honda CRF150R
2023 Honda CRF150R
2024 Honda CRF150R
2025 Honda CRF150R