number one piston location

[glen oldguy]

been told bottom left is 1 also been told top right is 1- need confirmation which is 1 & 3 and 2&4 firing order when sitting on bike looking forward- engine has been apart for quite a while

[ekvh]

Don’t know what bottom and top mean.

Right side as sitting on the bike is 1 front, 3 rear.
Left side as sitting on the bike is 2 front, 4 rear.

[glen oldguy]

Appreciate it. Thanks

[WingAdmin]

Here you go:



Firing order is 1-3-2-4.