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Tag: cylinder

Ask The Editors: Polaris Outlaw Parts Help

Ask The Editors: Polaris Outlaw Parts Help

Dwindling parts support for the legendary Outlaw line. Dear ATVC: I need a front brake master cylinder assembly for a 07 Polaris Outlaw 525 IRS. Seems they are not made anymore. Can anyone help with where to get one? Thanks Polaris is usually a brand known for making sure parts for its models are available […] More »

By: | May 14, 2023


Ask The Editors: Getting More Power From a Foreman

Ask The Editors:  Getting More Power From a Foreman

Pumping up the compression. Dear ATVC: I have a 1996 Honda Foreman 400 TRX400FW. It’s runs great. But I’m wondering what I can do for more power? I was thinking of shaving the cylinder head to increase the compression ratio. As of now it’s 8.2:1. Using 93 octane wouldn’t be a big deal to me. […] More »

By: | December 19, 2021


Video: You Collect WHAT??

Video: You Collect WHAT??

You have to see it to believe it. Typically when we think of private collections, we think of things like stamps, coins, maybe baseball cards or model cars. This guy collects Banshees. No, not posters, advertisements or sales brochures. Actual Yamaha Banshee 350cc twin cylinder 2-strokes. We’re going to go ahead and assume he is […] More »

By: | June 18, 2021



Ask The Editors: Counting Valves

Ask The Editors: Counting Valves

The quintet. Dear ATVC: I just picked up a Yamaha Raptor 660 and it’s the first Yamaha I’ve ever owned. I am really surprised to hear they ran 5-valve heads. Why not the standard 4? It seems like nothing but more complexity. Even though four valves is the commonly accepted norm (two intake and two […] More »

By: | September 14, 2020


Ask the Editors: Twin Cylinder Blues

Ask the Editors: Twin Cylinder Blues

Two or nothing. Dear ATVC: I have a Linhai 520efi with 2 cylinders. When I start it, it backfires and won’t run but when I remove the coil cable from the lower cylinder, it starts normally. Then when I reattach the plug cable, it backfires. I have checked timing and it’s okay. What could be […] More »

By: | September 10, 2018


ATV Industry Facts: Did You Know?

ATV Industry Facts: Did You Know?

Better than new. The first company in the world to successfully electroplate onto aluminum substrates, WI’s own US Chrome has plated well over 1,000,000 cylinder bores since 1979. Perhaps even more amazing, the company has been in the plating industry since 1940! While their NiCom process is endorsed by performance racing icons such as Mercury […] More »

By: | October 13, 2017


ATV Industry Facts: Did You Know?

ATV Industry Facts: Did You Know?

First of its kind. Last of its kind. All ATVs were single-cylinder until 1987 when Yamaha released the Banshee. It made use of a 349cc, 2-stroke, liquid cooled, twin-cylinder engine configuration. While many manufacturers have since followed up with twin cylinder engines in the time since, the Banshee remains the only factory 2 cylinder 2-stroke […] More »

By: | June 1, 2017



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