12 engine 問題

各位Ching ，想請教下台N12 NOVA enging如果風門開超過4份3，轉速反而會下跌，是什麼原因？謝謝幫忙。

贫油，要放主油针

引擎聲係咪好"乾"，把聲啞啞地？

victor1997621 發表於 2012-10-31 15:31
引擎聲係咪好"乾"，把聲啞啞地？

風門去到4份3前開始高轉高音，一過4份3就馬上跌

longbaoyan 發表於 2012-10-31 15:26
贫油，要放主油针

主針我放2圈4份1，試過再多放會＂立＂及多油由氣喉排出 engine 約100度熱

It seems that the low speed needle is too lean and the high speed needle is too rich. When the low speed needle not yet totally remove from the spray bar, it will run in lean region. When the low speed needle remove from the spray bar, the main needle is too rich so that the speed reduced.

victor1997621 發表於 2012-10-31 15:31

                               
登錄/註冊後可看大圖

引擎聲係咪好"乾"，把聲啞啞地？

咁你要睇DR 咩， 佢既全方位引擎調較理論梗有一款幫倒你。。。。。

全方位引擎調較理論?

fbs 發表於 2012-10-31 17:24
It seems that the low speed needle is too lean and the high speed needle is too rich. When the low s ...

Thx Ching I will try it tonight

ching試下捉住架車催油門，睇下低俗有冇力。部機會唔會好立，低速會唔會好多煙出黎。用副油針去較供油量。但係你要确定clutch gap同埋clutch spring係系一個正确噶位置。否則你依家點較引擎都會較唔出你要噶效果！