Rotax 912-UL Repair Manual page 71

9) Wear limits: all dimensions in mm
designation
crankcase/crankshaft
crankcase bore
with bearing halves fined
crankshaft joumals
radial clearance
bcaring slceve in gcarbox
joumal, pto end
radial clcarance
bearing sleeve in ignition cover
joumal, magneto end
radial clcarancc
bcaring slccve :
crank pin
radial clearance
At ccntre
atbcaring joumal23 Q nd326
axi al clcaranrc of cranksliaft
thickncss of thrust rings , , i_. .:i
Camshaft
camshaft bcaring bore
joumal (both cnds and cenUe)
radial clearance
out ofround
dimcnsion over cam head
cam lift ,. . ,i.ir -.
valic lift
;!i. .
Cylinderandpiston
r!+i : -^
cylindcr bore
'. i;illl's
ovality
conicity
piston athcight 15 (r€d)
piston atheight 15 Grcen)
piston pin
piston pin bore
piston pin
clcarance, pin in piston
con-rod bore, small end
clearane, pin in con-rod
Dcllcction of crankshaft supported on the outcr main bcaring:
and inch
, new
mm
(in.)
4 8 , 1 3 + 4 8 , 1 4 ( +
44,474+ 4,5U2 (1J51 +
4,45 +44A6 ( +
0,C2'5+ 0,06 (0,001+
28,42 +28,03 ( +
27,9 +28,N
(
+
O,U2+ 0,04 (
-+
32,V2+32,O3 ( +
3 1 , 9 + 3 2 , f f i
(
+
0 , 4 +
0 , 0 4 ( +
34,065+ Y,@O (1,341+
!l,M +?1,05 (1,340+
0,015+ 0,050 (0,001+
0,04 (0,m1)
0,ol (0,m1)
0,08 + 0,32 (0,003 +
2,3L + 2,36 (0,091+
wear limit
mm
(in)
48,17 (1,897)
4./'56 (1,754)
4N
0,748)
0,12 (0,m5)
28,10 (1,106
27,95 (1,101)
0,12 (0,005)
32,10 (r2&)
31,95 (1258)
0,12 (0,005)
y,l4 (1,y4)
34,00 (1,339)
0,12 (0,005)
1,895)
1,752)
1,750)
0,002)
1,103)
l,lvz)
0,001)
1,261)
0,260)
0,001)
l,y2)
1,341)
0,002)
0,012)
0,093)
1,182)
1,180)
0,002)
0,002)
Q274)
(0251)
(0,369)
3,131)
0,001)
0,001)
3,130)
3,130)
0,787)
0,787)
0,001)
0,788)
0,001)
0,06
0,06
050
2,25
(0,m2)
(0,002)
(0,020)
(0,089)
30,0 + 3O,A2l
29,967+29,98
0,02 + 0,054
0,Ol + 0,05
32,37
6,37
9,37
79,50 +79,524
0,000+ 0,m7
0,000+ 0,030
79A95+79,505
79,50 + 79,515
20,001+ 20,05
19,992+ 19,*)s
0,006+ 0,013
20,010+ 20,m0
0,015+ 0,028
( 1 , 1 8 1 +
( +
(0,001 +
( +
(3,130 +
( +
( +
( +
( +
( +
( +
( +
( +
( +
30,1 (1,185
29,y2 (1,t78)
0,12 (0,005)
0,08 (0,003)
3220 (1268)
6,20 (0244)
9,13 (0,356)
79,58 (3,133)
0,05 (0,m2)
0,06 (0,002)
79A2 (3,t27)
7942 Q,t27)
20,u (0J89)
19,97 (0J86)
0,05 (0,m2)
20,u (0,789)
0,05 (0,002)