11
4
. Place the propeller
on the crankshaft at the
one o’clock position.
5
. Mark the location of
one of the outer holes.
Use a GPM Dead Center
H o l e L o c a t o r
(GPMR8130) to center
and start the hole.
6
. Remove the propeller
from the engine and
drill the outer hole
using a #35 drill bit as a
pilot hole. Next use a #5
(.2055" / 5.21mm) drill
bit to fi nish the hole. In
order to achieve a clean
opening on both sides
of the propeller, drill
only half way through
the propeller with the fi nishing drill bit. Then fl ip the propeller over
and drill completely through the hole.
7
. Use one of the 5x50mm SHCS with 5mm lock washers and fl at
washers to align the propeller washer on the propeller and use the
Dead Center Hole Locator to mark the position of the remaining
fi ve holes.
8
. Drill the remaining fi ve holes in the propeller.
9
. Securely mount the propeller to the engine using the
5x50mm SHCS with 5mm lock washers and flat washers. Be
sure to use threadlocker..
12
9
3
6
