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Outboard engine

Dear all,
Does anyone knows whether Mercury Optimax 115hp or Yamaha 115hp 2 stroke is better for my second-hand 20ft fourwin boat with front cabin.
Since I know nothing about the engine, which one relatively maintaince free.
Thanks

Re: Outboard engine

我用緊optimax係好慳油,尤其用電腦儀表打晒gph,mpg,所有机器狀態,yamaha係二冲机皇公認,但代理服務差亦係公認,新机有排唔使整,睇價錢啦!

Re: Outboard engine

4-stroke has better fuel efficiency,more quiet too.But 2-storke is more reliable becuase less parts.Really depends on how you use it.if you keep using the boat all the time.I will stick with the 4 storke one becuase the fuel is kinda expensive right now.Otherwise 2 stroke is better if u hardly drive ur boat.

Re: Outboard engine

Optimax is better both in performance and oil efficient.

Re: Outboard engine

sampan你好!我想問下opitmax這款的電腦錶是否可以sat定轉數車船

Re: Outboard engine

唔明?我部機配兩個錶,一個轉數一個速度mph,可以顯示机温、水温、水壓,噴咀壓,机角度、里數,已用電油量,用机時,電壓,每小時耗油,每加侖電油可行里數....加附件感應可顯示油箱同埋偈油箱油量,全部alarm,你可以睇住表同埋艇嘅表現,你要求嘅速度決定油門。

Re: Outboard engine

多謝敢詳細講解.我的意思是例如我想隻船行4千轉引擎去到4千轉就自動Hold(當然講海面風平浪靜)不過好此速度無得定速,只有轉數可以定轉數

Re: Outboard engine

optimax好似冇得利用input指定rpm去行.. 控制rpm要靠自己控制杆。如果你想玩wakeboard定速咁行,inboard船先可以幫到你。

Re: Outboard engine

hello tommy 我是聽圖記說話可以定轉數唔可以定速度
還有sampan我想問下你部機幫襯邊間買幾多匹價錢多少THX

Re: Outboard engine

舊年十月買連两個表六萬八仟幾。

Re: Outboard engine

175匹定225匹

Re: Outboard engine

175長shaft

Re: Outboard engine

If 4 stroke is better than 2 stroke, Mercury or yamaha is better in performance and oil used?