The H1F’s crank was a sorry rusted mess. Now it is a thing of great beauty and strength.
The heart of any engine is surely its crankshaft. And a two-stroke crank works twice as hard as a four-banger item, in much tougher conditions: a power stroke every 360-degrees of rotation, with all the heat that entails, plus it must live with mere splash lubrication from a miniscule quantity of oil. It’s a hard-knock life.
And it’s a source of constant wonder they actually last as long as they do. Especially when subjected to former owner abuse like being left to stand (so the all-important seals fail), or worse still left to rot in damp conditions, so the pins, rods and bearings die and the webs are compromised by heavy corrosion.
この記事は Practical Sportsbikes の January 2018 版に掲載されています。
7 日間の Magzter GOLD 無料トライアルを開始して、何千もの厳選されたプレミアム ストーリー、9,000 以上の雑誌や新聞にアクセスしてください。
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この記事は Practical Sportsbikes の January 2018 版に掲載されています。
7 日間の Magzter GOLD 無料トライアルを開始して、何千もの厳選されたプレミアム ストーリー、9,000 以上の雑誌や新聞にアクセスしてください。
すでに購読者です? サインイン
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The H1F’s crank was a sorry rusted mess. Now it is a thing of great beauty and strength.
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