Honda motorcycle parts
Choose your model and year to see parts listed for your bike.
Choose your model and year to see parts listed for your bike.
1970 Honda CB450K · Air Filters & Vent Filters Buying guide
The product is a 49mm chrome-cap pod sold each, with a specific instruction to measure carburetor inlet outside diameter. It warns of possible jetting and tuning changes. The description does not supply body dimensions or recommended jet sizes.
The inlet outside diameter is the specified mounting measurement. An internal carburetor bore dimension does not identify that surface. A carburetor swapped during earlier work may also change the attachment, so take the check from the actual assembly rather than the motorcycle year.
The pod description gives a tuning caution without naming a jet. The premium kit’s #40 pilot and the separate #35 pilot describe different supplied sizes, not the filter’s required calibration. Confirm the pattern and size needed by the fitted carburetor and intake before selecting either.
Check the room around the intended installation for the filter body and chrome cap. Overall body dimensions are not supplied in the description, so confirm those needed for a tight layout. Mounting diameter alone does not resolve that clearance.
The product explicitly states sold each. Determine the number needed by the intake arrangement you will use and order that many individual filters. The general motorcycle application does not describe a two-filter package.
It only warns that jetting and tuning changes may be needed. It does not prescribe either size. Assess the fitted carburetor and intake requirements before choosing metering parts, and confirm the selected jet pattern as well as its number.
Send your model and year, plus photos of your existing part and any changes to the original setup.
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