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440exwlspankyou
10-27-2004, 03:47 AM
which way does the arrow on a j&e 440 ex piston point? The casting # is 89m. It is just a flat top w/valve indentions
jerry-89-250R
10-27-2004, 05:02 AM
points to the exhaust
frogburner
10-27-2004, 07:30 AM
Exhaust Side...
UglyMotha™
10-27-2004, 01:37 PM
what if he turns the head around then which way does the arrow point :confused:
cals400ex
10-27-2004, 05:25 PM
Originally posted by UglyMotha™
what if he turns the head around then which way does the arrow point :confused:


you talking 90 or 180 degrees? :confused:
440exwlspankyou
10-27-2004, 09:14 PM
Yeah you were right! I should have known , because the indentions are bigger on one side compared to the other. They match up with the valves.