發不動? - 機車
By Oscar
at 2009-06-04T19:55
at 2009-06-04T19:55
Table of Contents
有一天...小明的手......
不是...是小明的機車掛在路邊了....發不動
沒有任何工具~~只有路邊科科笑的非X機X老闆
這時候小明要怎麼判斷是甚麼壞掉了呢???
(以下判斷表...僅供快速判斷參考使用..常有特殊案例..不代表絕對如此)
=============================================
A.鑰匙轉入on 按下剎車
1.油表煞車燈方向燈皆無反應
=>電瓶沒電 或 保險絲燒毀 (踩發 B6)
2.同時按下剎車燈和打開任一方向燈 輕按喇叭測試
剎車燈亮度明顯減弱.....電瓶沒電
3.剎車燈/方向燈/油表/喇叭 皆正常
=> B
B.鑰匙on 按下啟動按鈕發不動
1.按下啟動鈕時剎車燈亮度明顯減弱甚至不亮
=>電瓶沒電 或 B7
2.按下時無任何聲音且剎車燈亮度不變
=>啟動繼電器故障 (線路接觸)
3.按下時有明確的咖一聲且剎車燈亮度不變
=>啟動馬達故障
4.按下去為連續的喀喀喀不大聲且剎車燈亮度降低
=>電瓶沒電 (線路接觸)
5.按下去為馬達空轉聲
=>啟動離合器(啟動盤)故障 或 C1
6.引擎有轉動踩發正常但是發不動
=> C
7.踩發無法踩下 且 電發時無法轉動剎車燈明顯減弱
=> 縮缸引擎卡死
C.引擎有轉動但是發不動
1.油門全開電發用手擋在排氣口是否有空氣間斷噴出
=> 若無空氣噴出引擎毀損
2.試聞噴出的排氣是否有汽油味
=> 若無 化油器 或 進氣系統
3.踩發極輕
=> 汽門燒毀 或縮缸失缸壓 (前題踩發系統正常)
4.噴出氣體有汽油味且踩發壓力正常
=> D
D.將火星塞帽拔下拔出電線靠車台發動
1.完全無火花
=> 電盤線圈、CDI、高壓線圈故障
2.火花極微弱
=> 高壓線圈
3.火花正常 (至少2cm且藍電弧光)
=> E
E.使用隨車工具拆下火星塞測試
1.靠車台接地發動無火花
=>火星塞故障 或 D1
2.火花正常(或更換火星塞後)
=> CDI故障
--
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