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Some Reasons for the Directional Arrows on Pistons

10/19/2017

2 Comments

 
Pistons always have directional arrows on them showing you which way to install them. Most times the arrow point to the exhaust but there are some weird exceptions (towards PTO, etc) and you need to check before assembly. One obvious reason is locating pin location for 2 strokes and valve size pocket on 4 strokes. There is another reason. The wrist pin is often offset to lessen piston side thrust to reduce wear.

Picture
2 Comments
vidmate.onl link
9/23/2023 01:27:34 pm

I wanted to express my gratitude for your insightful and engaging article. Your writing is clear and easy to follow, and I appreciated the way you presented your ideas in a thoughtful and organized manner. Your analysis was both thought-provoking and well-researched, and I enjoyed the real-life examples you used to illustrate your points. Your article has provided me with a fresh perspective on the subject matter and has inspired me to think more deeply about this topic.

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Mold Removal San Jose link
5/23/2024 06:04:15 am

This is a greatt post

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    I have been involved in mechanics and motorcycling from a young age. I formed Cycle Improvements in 1981 and still have the same passion to learn today as when I started. Hope you find this blog interesting and educational.

    James Hunt

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