A. Crankcase:
The T2500 has a horizontally-split crankcase
with upper half also comprising cylinder.
Bottom half contains boost port, reed valve,
and boost chamber cover.
B. Cylinder:
In addition to incorporating the upper
crankcase half, the cylinder also has
compartments for cam/gear assembly and
overhead valve components (rocker arms,
valves, and valve springs).
Differences: 2510/3410:
The 3410 engine has a larger bore and stroke.
Piston, cylinder, crankshaft and crankcase are
unique to that model.
Section
2 Unique Components
Parts That
Distinguish
The T2500
Powerhead
5
Edition 2 • 09/2007