關於多缸車的引擎拉轉感問題 - 重機
By Annie
at 2022-04-24T23:15
at 2022-04-24T23:15
Table of Contents
最近騎了一陣子 Trident660,發現它跟 765、以及某些四缸車都有一種特性。
這種特性,我不是很喜歡,想問問大家有沒有注意過此點。
引擎在三到四千轉的時候,會變得很「澀」,有一股拉址感,
這個拉扯感不是動力的拉扯,而是引擎的擋剎在與油門抗衡的感覺,
騎起來不是很舒服,扭力是有,但動力受限,
要馬快點換檔,要馬轉速要再上去才會滑順,才會海闊天空。
稍微接近 NSR 的 RC 打開前的那種悶悶的感覺。
我不清楚這跟動力曲線、排氣管的設定是否有絕對關係,
這麼說好了,很多人會喜歡二檔起步,甚至三檔起步,
雖然有傷變速箱的疑慮,但一來不必頻繁換檔,二來也可以規避我說的這種狀況。
一檔起步會有這種狀況是難免的嗎?也不盡然,
S750、Z900RS、CB1100 在一檔的中低轉速也是很滑順,
是否是攜牲了高轉速換來的,不清楚。
MT09、XSR900、R6 雖然在三四千轉也會有明顯的出力及引擎、聲浪變化,
但卻讓人很舒服。
齒比的設計會是原因嗎?
很多人一定也有這種經驗,雖然這個習慣會傷變速箱不太好,
那就是在快速道路上,
用高檔低轉滑行一陣子後,要加速但不求急加速時,
會用高檔位直接加油門把轉速拉高,而不先退檔,
此時的轉速上升及油門之間的回饋感就會很滑順。
之前騎 765 時,高轉很爽,但中低轉實在拉扯的有點辛苦,
我在乎的不是中低轉沒動力,而是不滑順。
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