


Big Bore Cylinder and Piston Kit (750cc)
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Big Bore Cylinder and Piston Kit (750cc)ALL NEW PARTS! The ultimate complete bolt on Big Bore 750cc Cylinder and piston kit made for the XS650 Yamaha. Kit Fits: 1974 84 447 Type Engines NOT COMPATIBLE WITH EUROPEAN 533 OR EARLY MODEL 256 ENGINES Modified limited production European Race Engine Cylinder Block has enlarged fins for improved cooling. The New Cylinder Block has longer fins matching the Head Fin Length. Kit Includes: One of our XS Performance Big Bore Race Cylinder Block with
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.1 ★★★★★
Based on 361 reviews
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Product Reviews
★★★★★ 5
Good fit
Good fit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2026
★★★★★ 5
Looks exactly like the original car filter, but for a lot less than from the car dealership
Looks as good as the OEM filter and at a better price than at the car dealership. Hopefully it should do the filtering job.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
★★★★★ 5
Fits 2017 and 2018 Honda CRV 1.5l
Easy and perfect fit for 2017 and 2018 Honda CRV with 1.5l engines. You need a Phillips screwdriver to remove the 4 screws holding the airbox. After that you just remove the old one and put the new one in the same orientation and put the screws back on. Helps the engine breathe which can result in slightly more power and mpg. I recommend changing every few years.
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Reviewed in the United States on August 8, 2025
★★★★★ 4
Looks identical to the OEM
Changed this filter in a matter of 3 -4 minutes. The fit and feel seems identical to the Honda OEM filter---feels just as heavy and fit exactly. For $10 it's a bargain. I drove about 20 miles after installing, also with no problems. 4 stars because I want to give a long term report...
I will report a few months from now to advise how it held up under North East conditions.
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Reviewed in the United States on September 11, 2023
★★★★★ 5
3rd purchase very good!
Great filter. Easy install with a Phillips screwdriver. 5 min and an amateur can do it. This is my 3rd purchase and will save so much money vs dealer
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Reviewed in the United States on February 14, 2026
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