Introduction - MTD 350 Series Service Manual

For Discount White Outdoor Parts Call 606-678-9623 or 606-561-4983
1.

INTRODUCTION:

1.1. MTD has chosen to introduce three MTD exclu-
sive engines for walk-behind and self-propelled
mowers for the 2006 season. See Figure 1.1.
Figure 1.1
1.2. They will be designated with as Series 350,
Series 450, and Series 650. The series number
does not imply displacement or power out-put.
1.3. These nominal designations correspond to fac-
tory numbers P61, P65, and P70 series.
1.4. The 3rd and 4th digits are the bore in mm.
MTD Engine - Series 350/450/650
www.mymowerparts.com
MTD Engine - Series 350/450/650
1.5. The Series 350 and Series 450 share some
basic parts. See Figure 1.5.
Series 350 / Series 450 Engine
Figure 1.5
1.6. The major castings and some architecture of the
Series 650 differs from the two smaller engines.
See Figure 1.6.
Series 650 Cut-away engine
Figure 1.6
1
Ignition
module
Round bulge
in carburetor
side of the
engine block
Ignition
module