Motocross and enduro water pump shafts - precision and durability of the cooling system
( number of products: 33 )
Nachman Wałek pompy wody Yamaha YZF 250 '15-17 / WRF 250 '15-17 (1SM-12450-01-00)
Nachman Wałek pompy wody Yamaha YZF 400/426/450 '98-13 / WRF 400/426/450 '98-15 (5GR-12458-00-00)
Nachman Wałek pompy wody KAWASAKI KX 500 '88-04 (59051-1129)
Nachman Wałek pompy wody KTM SX 50/65 '09-12 / 150 ' 09-12 / 144 '07-08 / 200 '03-04 / EXC 200 '00-05 (50335054150)
Wałek pompy wody KTM SX 65 10-14, SX 125 98-14, EXC 125 98-06, EXC 200 06-09, XC-W 200 06-14 Hot Rods
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The water pump shaft is a key driving element in the motorcycle cooling system. It connects the pump impeller with the engine drive system and is responsible for the circulation of coolant throughout the system. In motocross and enduro, the pump shaft operates in extreme conditions - at high rotational speeds and high temperatures. That's why at Bajamoto we only offerwater pumpshafts made of hardened steel and fitted toKTM, Honda, Yamaha, Husqvarna, GasGas and other offroad brands.
Why is it worth replacing the water pump shaft?
Over time, the shaft wears out - the contact surface with the sealant wears out, which causes micro-leakage of coolant through the pump inspection hole. Replacing the shaft itself is often the simplest and cheapest way to restore full tightness of the system.
- eliminates coolant leaks,
- ensures smooth rotation of the rotor and proper fluid circulation,
- increases the durability of oil seals and bearings,
- is easy to assemble - all you need is a standard set of tools,
- extends the life of the entire cooling system.
Types of water pump shafts available at Bajamoto
- OEM Replacement rollers – equivalents of original parts with identical dimensions and hardness,
- All Balls – complete sets with bushings and sealing rings
- Tourmax rollers – Japanese quality and precision of workmanship
- Hot Rods – elements with increased wear resistance
- Athena and ProX shafts – OEM solutions for Japanese and European motorcycles.
How to choose a water pump shaft?
At Bajamoto each motocross or enduro water pump shaft has a detailed description of its fit to a specific model and year of the motorcycle. Compatibility examples:
- All Balls Water Pump Shaft KTM EXC-F 250–500 2017–2024
- Tourmax Water Pump Shaft Honda CRF 250R/450R 2014–2023
- Hot Rods Water Pump Shaft Yamaha YZF 250/450 2010–2023
Thanks to this, you buy a part that fits perfectly - without the need to make or modify the pump.
Comprehensive repair of the cooling system
Replacing the pump shaft is the perfect time to also install water pump repair kit or new radiator caps. This way, you will regenerate the entire system and avoid further failures during the season. Remember - even a small leak from the water pump in the field can cause the engine to overheat.
Precision that makes the difference
Water pump shafts offered in Bajamoto come from proven manufacturers and are tested in sports conditions. Thanks to them, you will restore the factory cooling efficiency and your engine will operate at optimal temperature - without the risk of overheating. Trust the quality of All Balls, Tourmax and Hot Rods - this is the choice of enduro racers and service mechanics.
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