Specifications

190
10
Use the following plug gauges to check cam
bearings:
• 161400 - Gauge #19383
• 104700 - Gauge #19164 (Magneto-Side)
• 260700, 261700 - Gauge #19383
• 28Q700 - Gauge #19164
Insert the gauge ([A] Fig. 3) into the bearing at
several locations.
If the plug gauge can be inserted 1/4 in. (6.35
mm) or more:
• Replace cylinder, cover or sump.
Fig. 3
Ball Bearing Service (050000)
Removal: Magneto And PTO Side Ball
Bearing
1. Set the cylinder or cover on an appropriate
fixture in an arbor press.
2. Use a press die that fits through the seal
opening and carefully apply pressure from
the inside until the bearing comes free of
the housing.
NOTE: The seal for the crankshaft PTO and the
flywheel end are the same. However, the inner
diameter of the bearings are not. If bearing
replacement is necessary, replace both bearings
as a set and be sure to order the bearings by
individual part number.
Installation: Magneto And PTO-Side Ball
Bearing
Press a new bearing into a housing or cover from
the outside in. Be sure that the bearing goes into
the channel straight and that the bearing is
completely seated into its machined opening.
Ball Bearing Service (085400, 086400)
Removal: Magneto-Side Ball Bearing
Bearing Removal Tools: (Refer to Fig. 4)
• Puller Screw ([A] #19318)
• Washer ([B] #225136)
• Adapter/Driver ([C] #19397)
• Bushing ([D] #19454)
1. Remove oil seal.
2. Assemble washer (B) to puller screw and
insert through adapter/driver (C).
3. Place bushing (D) against ball bearing.
4. Insert puller screw (A) with driver adapter
into ball bearing and thread into bushing
(D).
5. Tighten puller screw until ball bearing
comes free of cylinder.
Fig. 4