Installing connecting rods - pistons
The piston rings are different and must be fitted
with the "KDN5" markings (for the upper one)(A)
and "K-TOP and KDN5" markings (for the lower
one )(B) facing upward.
The five ring gaps (two piston rings, two oil scraper
rings, one oil scraper spring) are fitted displaced
90º to each other, starting from the exhaust-side
stud bolt opposite the chain and continuing clock-
wise.
The fitted pistons have two selections A and B.
Therefore they are coupled with the cylinder ac-
cording to the selection of the latter, which is
marked on the upper crankcase halves.
Pre-assemble the pistons on the workbench with
the connecting rod shank and the relative semi-
bushing.
The pre-assembly procedure is identical for all four
pistons and must be done as follows:
•
with the piston crown parallel to the
workbench and the arrow (1) posi-
tioned from the side opposite of the
operator, fit the connecting rod shank
with the bevelling (2), on the hole of the
rod head, on the right side.
Tuono V4 1100 Factory
Engine
ENG - 211
Содержание Tuono V4 1100 Factory 2021
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