3.5
ENGINE
3
Engine Lubrication
Oil Type:**
Above 32F
Polaris Youth 4-Stroke Oil (40 W)
Quart - (PN 2876248)
Gallon - (PN2876249)
Below 32F
Polaris Semi-Synthetic Engine Oil (20W-40)
Quart - (PN 2872175)
Gallon - (PN2872176)
Capacity: Approximately 37 oz. (1.1 ltr.)
Drain Plug (Engine Oil): 18 ft. lbs. (23 Nm)
Screen Fitting: 11 ft. lbs. (15 Nm)
Oil Pressure Specification: Not Applicable
** For break-in period after engine top end service, use an SAE
40W mineral based oil to ensure complete piston ring seating to
cylinder wall. Change to above recommendation after 10 hours.
Piston Identification
The piston may have or may not have an identification mark for
piston placement. If the piston has an identification mark, follow
the directions for piston placement below. If the piston does not
have an identification mark, the direction for placement of the
piston does not matter.
Note the directional and identification marks when viewing the
pistons from the top. The letters “IN” must always be toward the
intake side of the engine. The other numbers are used for
identification as to diameter, length and design. Four stroke
engine rings are rectangular profile. Any numbers or letters on
the rings (except oil control rings) must be positioned upward.
See text for oil control ring upper rail installation.
Accessible Components
The following components can be serviced or removed with the
engine installed in the frame:
• Flywheel
• Alternator/Stator
• Starter Motor/Starter Drive
• Oil pump / Chain
• Rocker Arms
• Carburetor
• Transmission Components
• Valves
• Cylinder Head
• Cylinder
• Piston/Rings
• Camshaft
The following components require engine removal for service:
• Cam Chain and Sprockets
• Crankshaft
• Crankshaft Main Bearings
• Crankcase/Bearings
• Balancer/Bearings
NOTE: Cam chain service requires crankshaft
removal, as the chain is located on the pto side of
the engine.
NOTE: Crankshaft components are not serviceable.
Replace crankshaft as an assembly.
Engine Model
No.
Oversize
Available (mm)
Standard Piston
Identification
ES35C N/A
”IN” marking on
top of piston
toward intake
PartShark.com
877-999-5686
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