An engine cut away
_....---------...._
.' A '.
.' _.--. .--._ '.
__/ .-'.-._E |_.-.'-. \__
.-- |_.' .-. '._E --.
| ::||:.-/ \-.:||:U B |
'--..__ U:||:'-\ F /-':||:: __..--'
) '-.|| `-' ||.-' (
|'._ G H|. .|D C _.'|
| '-._ _||_\ /_||_ _.-' |
|_______'----''.___.''----'_______|
'--. | _______________ | .--'
|.--.||-------M-1-----||.--.| A - valve cover
|| |||-----M-2-------||| || B - Head
|| |||===M=3=========||| || C - Fuel/Intake port
|| ||| .-. ||| || D - Intake valve
|| ||| ( L ) ||| || E - Rocker Arms
|| J||| `-' K ||| J|| F - Cam shaft
|| ||| ___ ||| || G - Exhaust post
|| ||| _.' '._ ||| || H - Exhaust valve
|| |||_.' | | | '._||| || I - Engine block
|| || | | | || || J - Water jacket
|| || | | | || || K - Piston
|'--'| | N | |'--'| L - Wrist pin
.' .--' | | | '--. '. M - Rings
| | | | | | | M1 - Compression ring
I | | | | | I M2 - Compression ring
| | | | | | | M3 - Oil ring
| | ___'.---.'___ | | N - Piston/connecting rod
| | | .' .---. '. O | | O - Rod cap
| | || .' '. || | | P - Rod bearings
| | || | P | || | | Q - Crank Shaft journals
_.'__| '| '. .' |' |__'._ R - Crank Shaft
'---. | | `---' | | .---' S - Oil pan
| | / ___ \ | | T - Oil sump
| | / .' '. \ | | U - Valve springs
|S| / / \ \ |S|
| | | | Q | R | | |
| | | \ / | | |
\ \ '. '. ___ .' .' / /
\ \ '-._______.-' / /
`.`. T T .'.'
`.`-._________.-'.'
LGB `-._________.-'