Ring Installations - Briggs & Stratton Vanguard 05000 Manual

not have offset piston pin bores and can be
assembled to the connecting rod in either
direction.
6. Oil the piston pin.
7. Insert pin from the side opposite the
shoulder stop or the first installed lock.
8. Install the second lock in the piston groove
to retain the pin. Ensure both locks are
firmly set in the grooves.

Ring Installations

New piston rings are recommended any time the
original rings are removed from the piston. When
installing new service rings, refer to the detailed
instructions included with the set.
If using the ori ginal rin gs, refer to the figure
below that shows the sequence of re-
installation.
Refer to your model.
1. Install the oil control ring(s) (A) and
expander (B).
2. Install the center ring (C).
3. Install the top ring ([D] Fig. 568).
4. Note the shape of each ring and be care ful
to install them in the proper position.
Ring Installation (050000, 118400)
12
Ring Installation (085400)
Note the shape of each ring and be careful to
install them in their proper position.
NOTE:
The top ring is plated. The center ring is
phosphate coated (black). This model has id
224
Fig. 11
marks on the first and second ring. Install them
facing up.
Fig. 12
Ring Installation (115400, 117400, 138400,
185400, 235400, 245400)
NOTE:
The top ring ([D] Fig. 13) is barrel faced
and plated.
1. Install the expander oil and control rings
(A) an d expander (B).
2. Install the center ring (C) with the "Id"
mark facing up.
3. Install the top ring ([D] Fig. 13).
Fig. 13
Ring Installation (104700)
Note the shape of each ring and be careful to
install them in their proper position.
1. Install the oil control rings (A) and
expander (B).
2. Install the center ring (C) with groove
down, as shown.