717 Engines
717 Engines
717 Engines
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Section 04 ENGINE (2-STROKE)<br />
Subsection 05 (BOTTOM END)<br />
F01D1LA<br />
1<br />
TYPICAL<br />
1. Separate halves by prying at provided lugs<br />
Remove crankshaft and counterbalance shaft (787<br />
RFIand947DIengines).<br />
947 DI <strong>Engines</strong><br />
Open air compressor and disconnect the piston as<br />
described in ENGINE MANAGEMENT.<br />
Crankshaft Bearing and Seal<br />
All <strong>Engines</strong><br />
If a crankshaft end seal no. 5 hastobereplaced,<br />
bottom end must be opened (except for the MAG<br />
side seal on the 787 RFI engines, which is mounted<br />
on the magneto housing).<br />
NOTE: Do not needlessly remove crankshaft bearings.<br />
Remove end seal(s).<br />
F06D1GA 1<br />
TYPICAL<br />
1. End seal<br />
<strong>717</strong> <strong>Engines</strong><br />
To remove end bearings no. 4 from crankshaft,<br />
use the following tools.<br />
F01B09A<br />
1 2 3 4 5 6<br />
7<br />
8<br />
<strong>717</strong> ENGINES<br />
1. Puller (P/N 420 877 635)<br />
2. Protective cap (P/N 420 876 557)<br />
3. Distance ring, MAG side only (P/N 420 876 569)<br />
4. Ring (both sides) (P/N 420 977 490)<br />
5. MAG side ring halves (P/N 420 276 025)<br />
6. PTO side ring halves (P/N 420 977 475)<br />
7. Screw M8 x 40 (P/N 420 840 681)<br />
8. Screw M8 x 70 (P/N 420 841 201)<br />
NOTE: To facilitate ring or distance ring installation,<br />
lubricate their inside diameters.<br />
787 RFI <strong>Engines</strong><br />
To remove end bearings no. 4 from crankshaft,<br />
use the following tools.<br />
NOTE: The outer PTO bearing and crankshaft gear<br />
can be removed in one step using another puller.<br />
See CRANKSHAFT GEAR no. 18.<br />
F01B2MA<br />
1 2 3 4 5<br />
787 RFI ENGINES<br />
1. Puller (P/N 420 877 635)<br />
2. Protective cap (P/N 420 876 557)<br />
3. Distance ring (P/N 420 876 569)<br />
4. Ring (P/N 420 977 490)<br />
5. Ring halves (P/N 420 977 475)<br />
6. Screw M8 x 40 (P/N 420 840 681)<br />
7. Screw M8 x 70 (P/N 420 841 201)<br />
6<br />
7<br />
NOTE: To facilitate ring or distance ring installation,<br />
lubricate their inside diameters.<br />
947 DI <strong>Engines</strong><br />
To remove end bearings from crankshaft, use the<br />
following tools.<br />
136 smr2004-Complete Line Up
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