12
6
7. If woodruff key was removed, re-install in crank-
shaft. Slide crankshaft gear onto crankshaft with
chamfer toward eccentric. If gear is tight, heat gear
to expand it before installing.
8. Lay cylinder on its side with cylinder head to the
left. Use Seal Protector Kit, Tool #19334 or #19356
in magneto crankshaft seal.
9. Place crankshaft and counterweight assembly into
cylinder. Start magneto journal into magneto
bearing.
10. Align link with crankcase link pin and push
assembly into place, Fig. 12.
11. Install connecting rod and piston with lubrication
hole in rod toward magneto side. This will expose
rod assembly marks to view.
12. Assemble the cap screws and screw locks with
dipper (Model Series 171700) toward cam gear
side.
13. Torque screws and bend up locks. Install tappets,
cam gear, etc. in usual manner, Section 10.
Fig. 12
TABLE NO. 1
Model Series
Eccentric Bearing
170000, 190000
1.870”
(47.51 mm)
1.881”
(47.78 mm)
250000
2.120”
(53.85 mm)
2.131”
(54.13 mm)
280000
2.202”
(55.93 mm)
2.212”
(56.18 mm)
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