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If you're tuning up your Harley's carburetor, this #45 slow pilot jet is a tiny part that can make a big difference. It's made specifically for the Keihin CV carburetors used on a lot of Harley Davidson bikes, and it's the exact replacement for OEM part number 27170-89. This jet controls the fuel flow at idle and low speeds – so if your bike is running rough when you start it or at low RPMs, swapping this in might just smooth things right out. It's brand new, unbranded, but made in Japan which usually means good quality. Comes in simple packaging, ready to drop into your carb. Whether you're doing a full carb rebuild, adjusting your fuel mixture for better performance, or just need to replace a clogged jet, having the right size is key. A #45 is a common size, but always check your manual or existing jet to be sure. This is a must-have for any Harley owner who likes to do their own maintenance, or for motorcycle mechanics stocking common parts. An affordable fix that can improve throttle response and idle quality. Keep your classic Harley running sweet with this genuine-spec carburetor jet.
4.4 out of 5