Accelerator pump rebuild kit for many of the late 70's and early 80's Honda's. This kit comes with the diaphragm with a 89mm long rod attached, spring, o-ring and a rubber boot for the rod. Get that CB pulling like it should with a fresh accelerator pump! If you're planning to rebuild the carbs and replace all the gaskets, it's a good idea to replace the accelerator pump as well. Check to see if there are any cracks or holes in the diaphragm, if there are, it needs to be replaced.
Replaces Honda part numbers: 16021-MC9-771, 16021-393-004, 16201-393-014, 16021-KB7-671, 16021-426-003, 16021-460-771
Replaces K&L Part Number: 18-2807
Note: Could be used on the CMX250C Rebel from 1985-1987 but the rod needs to be cut.
Fits Honda:
XL250R - 1982-1983
CB450SC Nighthawk - 1983
CB450SC Nighthawk - 1985-1986 - Check rod length before ordering
CM450E - 1983
XL500R - 1982
CB650 - 1979-1982 - Check rod length before ordering
CB650C - 1980-1981 - Check rod length before ordering
CB650SC Nighthawk - 1982
CB750A Hondamatic - 1976-1978
CB750F Super Sport - 1977-1978
CB750K - 1977-1978
12 Reviews Hide Reviews Show Reviews
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Fitment for 1982 CB650SC Nighthawk
Heads up to anyone buying this for a CB650SC Nighthawk, this WILL NOT fit. The Rod is 48mm not 89mm.
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Fit perfectly
I wasn't sure this part would fit my 1980 CB650 but it not only fit, it worked as it should. High quality and attention to detail in the manufacturing.
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Pump
Carb's work! No issues
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Nice kit
Fit perfectly and fixed my own bike after it sat neglected for eight + years.
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Quality + Service
As with all 4into1 products I have purchased, the parts were high quality and the fit was perfect. The service was excellent as always.
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Smooth function!
Replaced the old torn pump with this new one and now it’s working better then ever! Pump funstion is smoother than ever now!
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4 into 1 ❤️
This accelerator pump fit perfect and worked great.
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Good fit for when I need it
I bought this thinking I may need it for my rebuild. It fit perfectly but never ended up using it because the one I had was in very good condition. Bought it for my 82 cb650sc and just a heads up, you will NEED to cut it to size. You can cut it to the approximate size of your original and adjust accordingly.
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Fit a bike made of chicken teeth
It wasn't listed for my 1980 Honda XL500s but it needed one. Perfect fit with no alterations.
