KTM 300 EXC TPI 2019 Repair Manual

ENGINE 18
225
Guideline
Cylinder - drill hole diameter (All 250 models)
Size I 66.400 … 66.412 mm
(2.61417 … 2.61464 in)
Size II 66.412 … 66.425 mm
(2.61464 … 2.61515 in)
Cylinder - drill hole diameter (All 300 models)
Size I 72.000 … 72.012 mm
(2.83464 … 2.83511 in)
Size II 72.012 … 72.025 mm
(2.83511 … 2.83562 in)
Info
The cylinder size
1
is labeled on the right side of the
cylinder.
D04502-10
– Using a straightedge and the special tool, check the sealing
surface of the cylinder head for distortion.
Feeler gauge (59029041100) ( p. 369)
Cylinder/cylinder head - dis-
tortion of sealing surface
≤ 0.10 mm (≤ 0.0039 in)
» If the measured value does not meet specifications:
– Change the cylinder.
18.5.8 Cleaning the pressure sensor cylinder connection
R02885-10
–
Clean cylinder connection
1
thoroughly and blow out with
compressed air.
18.5.9 Removing the exhaust control
D04503-10
–
Remove screw
1
with the bushing and spring.

KTM 300 EXC TPI 2019 Specifications

General

Displacement	293.2 cm³
Bore x Stroke	72 mm x 72 mm
Starter	Electric starter
Transmission	6-speed
Cooling	Liquid cooled
Rear Suspension	WP XPLOR PDS shock absorber
Seat Height	960 mm
Ground Clearance	370 mm
Fuel Tank Capacity	9.5 liters
Engine Type	2-stroke
Fuel System	Transfer Port Injection (TPI)
Frame	Central double-cradle type 25CrMo4 steel
Front Suspension	WP Xplor 48
Front Brake	Disc brake
Rear Brake	Disc brake 220 mm