Engine Conversion Kit
Subaru Powered Walk-Behind Greensmaster
1820, or 2120 Mower
Model No. 139-5637
Introduction
This engine conversion kit is only for machines with
following model and serial numbers:
Model Number
Serial Number
04040
312000001 through 315999999
04041
312000001 through 315999999
04044
316000001 through 999999999
04045
316000001 through 999999999
Light Kit, Model 04064 (Flex 1800/2100/1820/2120
traction units) is compatible with this kit.
Note:
Older light kits are not compatible with this kit.
Important:
These installation instructions
contain engine operation and maintenance
information that supersedes the engine operation
and maintenance procedures in your machine
Operator's Manual.
Before operating or maintaining the machine or
engine, always refer to the operating and safety
instructions in your Operator's Manual.
Save these instructions.
Important:
The engine warranty is provided
by the engine manufacturer. Please refer to the
engine manufacturer's warranty and emissions
system warranty included in the literature packet.
That warranty applies only to the engine. It does
not expand or otherwise alter any express or
implied warranty terms or warranty period that
may apply to the product into which the engine
is installed.
© 2020-The Toro® Company
8111 Lyndale Avenue South
Bloomington, MN 55420
Contents
Introduction ............................................................... 1
Safety ....................................................................... 2
Installation ................................................................ 3
Operation .................................................................. 6
Maintenance ............................................................. 8
Register at www.Toro.com.
®
Installation Instructions
WARNING
CALIFORNIA
Proposition 65 Warning
The engine exhaust from this product
contains chemicals known to the State of
California to cause cancer, birth defects,
or other reproductive harm.
Controls ............................................................. 5
Valve ............................................................... 7
Original Instructions (EN)
All Rights Reserved *3437-588* B
Printed in the USA
Form No. 3437-588 Rev B
Flex
™
1800, 2100,