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votes
1answer
51 views

Low Power Even at Max Rev

I have a 200cc motorcycle which i use for daily ride to my work for just around 20 minutes only. I always had this problem of having low power after I decelerate using engine brake. Here is the ...
6
votes
2answers
9k views

Rough idle + slow acceleration + engine dying after spark plug change

I recently changed the spark plugs and wires on my 2002 Ford Focus SE with Zetec (DOHC) engine. I used NGK TR5IX (7397-4PK) Iridium IX plugs and Motorcraft wires. When I received the plugs, they were ...
2
votes
0answers
251 views

What actually is brake horsepower (BHP)? [duplicate]

I know that BHP is the measure of power of an engine. I realised that I have no idea how the number (for example 540 BHP) relates to the engine itself. Does 1 HP mean one rotation of the crankshaft ...
2
votes
2answers
2k views

Engine, sudden reduced power with soft shaking

I have a 2007 Holden with a 2.0 Turbo engine. On one day I decided to go through a light that had just turned orange- so I pressed down, not completely as I new how much power I needed to go through ...