Cylinder - Nikasil ® Coating - KTM 250 EXC EU Repair Manual

18 ENGINE
18.4.11 Cylinder - Nikasil ® coating
–
Position gear segment
303624-10
–
Position the spring with the short leg toward the outside.
–
Mount screw
Guideline
Screw, control flap,
exhaust control
–
Attach the spring to the cylinder pin.
–
Tighten screw.
Guideline
303625-10
Screw, control flap,
exhaust control
–
Position gear segment
303626-10
–
Position the stop plate.
–
Mount screw
–
Mount screw
Info
The screws are tightened when the Z-distance is adjusted.
303627-10
Nikasil ® is a surface protection layer for a coating procedure developed by Mahle. The
name is derived from the two materials used in this procedure - a layer of nickel into
which is embedded the particularly hard silicone carbide.
The most important advantages of the Nikasil
resulting in much improved performance, low wear, and a lightweight cylinder.
303015-10
.
7
with the bushing and spring but do not tighten yet.
8
M6
M6
.
9
but do not tighten yet.
bk
with the washer but to not tighten yet.
bl
10 Nm Loctite
(7.4 lbf ft)
10 Nm Loctite
(7.4 lbf ft)
® coating are very good heat conductivity,
152
® 243™
® 243™