Suzuki LT-4WD 1990 Service Manual page 423

1 5-21 LT-F4WDXM ('91 -MODEL)
Piston ring e n d g a p
Service Limit 1 st : 0 . 70 mm ( 0 . 028 i n )
2 n d : 1 . 00 m m (0 . 039 i n )
O V E R S I Z E R I N G S
Oversize piston rings
T h e fo l l o w i n g two types of o v e rs i z e p i sto n r i n g s a re u s e d .
T h e y be a r t h e fo l l o w i n g i d e nt i f i c a t i o n n u m be rs .
Pist o n r i n g
0 . 5 m m O . S .
1 . 0 m m O . S .
Oversize oil rings
The f o l l o w i n g two types of oversize oil rings a re u s e d . They
bear the fo l l o w i n g i d e nt i f i c a t i o n m a rks .
0 . 5 m m O . S .
1 . 0 mm O . S .
Oversize rail
J ust measure outside d i a mete r to identify the side rail as there
i s n o m a r k o n n u m be rs o n it .
PI STO N PI N AN D C O N R O D
P I S T O N PI N B O R E A N D P I N
M e a s u re t h e p i st o n p i n b o r e i n s i d e d i a meter w i t h a c a l i p e r
g a u g e , a n d m e a s u re t h e p isto n p i n o u ts i d e d i a m eter w i t h a
m i c ro m e t e r . I f t h e d iffe re n c e betwe e n t h e s e two m e a s u re ­
m e nts is m o r e t h a n t h e l i m its , re p l a ce b o t h p i st o n a n d p i st o n
p i n .
Piston pin bore
Service Limit : 1 7 . 030 m m (0 . 6705 i n )
Piston p i n bore
Service Limit : 1 6 . 980 mm ( 0 . 6685 i n )
09900-2060 5 : D i a l cali pers
09900-2020 5 : M i crometer (0 - 25 m m )
2 n d
1 st
5 0 5 0
1 00
1 00
Pai nted red
P a i nted ye l l o w
Paint
O . S .
mm
0 . 5
O . S .
m m
1 . 0