SHORT BLOCKS
New short blocks are identified by a tag marked S.B.H.
(Short Block Horizontal) or S.B.V. (Short Block
Vertical). Original model identification numbers of an
engine should always be transferred to a new short
block for correct parts identification (diag. 3).
THIS SYMBOL POINTS OUT IMPORTANT
SAFETY INSTRUCTIONS WHICH IF NOT
FOLLOWED COULD ENDANGER THE
PERSONAL SAFETY OF YOURSELF AND
OTHERS. FOLLOW ALL INSTRUCTIONS.
SBV OR SBH IDENTIFICATION NUMBER
3
FUELS
Tecumseh Products Company strongly recommends the use of fresh, clean, unleaded regular gasoline in all
Tecumseh Engines. Unleaded gasoline burns cleaner, extends engine life, and promotes good starting by
reducing the build up of combustion chamber deposits. Unleaded regular, unleaded premium or reformulated
gasoline containing no more than 10% Ethanol, or 15% MTBE, or 15% ETBE may also be used.
Leaded fuel is generally not available in the United States and should not be used if any of the above options
are available.
Never use gasoline, fuel conditioners, additives or stabilizers containing methanol, white gas, or fuel blends
which exceed the limits specified above for Ethanol, MTBE, or ETBE because engine/fuel system damage
could result.
Regardless of which of the approved fuels are used, fuel quality is critical to engine performance. Fuel should
not be stored in an engine or container more than 30 days prior to use. This time may be extended with the
use of a fuel stabilizer like TECUMSEH'S, part number 730245.
See "STORAGE" instructions in the Technician's Manual, Operators Manual, or Bulletin 111.
ENGINE OIL
TECUMSEH FOUR CYCLE ENGINES REQUIRE THE USE OF A CLEAN, HIGH QUALITY DETERGENT
OIL. Be sure original container is marked: A.P.I. service "SF" thru "SJ" or "CD".
TECUMSEH RECOMMENDS USING ONE OF THE FOLLOWING FOUR CYCLE OILS THAT ARE SPECIALLY
FORMULATED TO TECUMSEH SPECIFICATIONS.
DO NOT USE SAE10W40 OIL.
FOR SUMMER (Above 32
0
F) (0
o
C) USE SAE30 OIL. PART #730225
Use SAE30 oil in high temperature, high load applications. Using multigrade oil may increase oil consumption.
FOR WINTER (Below 32
0
F) (0
o
C) USE SAE5W30 OIL. PART #730226
(SAE 10W is an acceptable substitute.)
(BELOW 0
0
F (-18
o
C) ONLY): SAE 0W30 is an acceptable substitute.
NOTE: For severe, prolonged winter operation of HH120 model, SAE10W oil is recommended.
Capacities
Engine Model Oz. ml.
OHH,OHSK 50-70 21 630
OVRM 40 - 6.75 21 630
OVRM105 & 120 21 630
OHSK80 - 100 26 720
OHM, OHSK 110* - 130 32 960
OVM 120, OVXL 120, 125 32 960
OHV 11 - 13 without oil filter 32 960
OHV 11 - 13 with filter 39 1170
OHV 13.5 - 17 without oil filter 55 1650
OHV 13.5 -17 2 1/4" filter (part # 36563) 62 1860
OHV 13.5 -17 2 5/8" filter (part # 36262) 64 1920
* NOTE: Model OHSK110 with a spec. of 221000 and up, have a capacity of 26 oz. (720 ml.)
2
SHORT BLOCK IDENTIFICATION TAG
SERIAL NUMBER
SBV- 564A
SER 5107
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