FOUR
STROKE
INTAKE
SYSTEMS
ENGINE/
GASKETS
EXHAUST DRIVE LINE
HANDLING
ELECTRICAL WATERLINE
/BILGE
STEERING
& CONTROLS
BODY
ACCESSORIES
SERVICE TOOLS
/HARDWARE
CHEMICAL
149
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L.A. Sleeve Co.
L.A. Sleeve produces a complete watercraft line of two stroke centrifugally
spun iron cylinder sleeves. LASCO sleeves with exact port specifications,
chrome-moly iron alloy, high tensile strength material provide the rebuilder
with ease if installation, trouble free boring and a lasting long life engine.
★
Column Code Explanations:
AC
– Original cylinder bore is alloy-chrome plated, Nikasil, or electrofused.
The cylinder must be bored to accept the new cylinder sleeve.
CS
– Original block has a cast-in sleeve liner in the cylinder. The cylinder
must be bored out to accept the new cylinder sleeve. The cast-in liner
will be bored completely out of the cylinder. Do not try to push out the
cast-in liner, cylinder damage may be the result.
CI
– Original block has a cast-in liner in the cylinder. The cylinder must be
bored to accept the new cylinder sleeve. When using a CI style sleeve
the cast-in liner will not be completely removed. The sleeve is
designed to insert into the iron lined cylinder.
RS
– Original block has a replacement sleeve. Heat the cylinder to remove
the sleeve. Reheat the cylinder to install the new cylinder sleeve.
CC
– Original barrel is cast-iron. The cylinder must be bored to accept the
new cylinder sleeve.
General Rules for Sleeve Installation:
These tips are intended to be a guide for installing sleeves into cylinders. There are always exceptions to the rule and care must be taken on special applications.
ALWAYS WAIT UNTIL THE SLEEVE ARRIVES BEFORE BEGINNING ANY MACHINE WORK. NEVER ASSUME THAT THE STATED MODEL AND YEAR OF
THE CYLINDER IS CORRECT. ALWAYS CHECK TO SEE IF THE SLEEVE PORTS MATCH THE CYLINDER PORTS.
1. Interference fit for cylinder sleeve to aluminum bore is .004.
2. Interference fit for cylinder sleeve to a cast iron bore is .002 to .003.
3. Installation of flanged type sleeves follow the same rules, but the top of the cylinder must have a countersink to the correct depth to accept the flanged sleeve.
.000 to .001 interference fit on the flange diameter is recommended.
4. Heating the cylinder for 45 minutes to one hour at 350 degrees to 450 degrees is preferable.
5. The sleeve should slide in very easily when the cylinder is properly heated. Freeze shrinking the sleeve is not necessary. (Some machinists believe this assists
installation of the sleeve.)
6.
REMEMBER:
Rap or press the sleeve down while the cylinder is cooling down. Use a hydraulic press for this procedure.
7. Milling the top deck of the cylinder always adds a quality touch. A caution here, some cylinders may not be able to have the top surface decked.
8. For two-stroke cylinders, blending or matching the aluminum cylinder to the sleeve ports is recommended for proper fuel flow.
**See page 154 for more information about sleeves**
Piston
Wrist
Pin
Bearing
Crank
Side/End
Rod
Bearing
Piston
Style
Model
Sea-Doo
Stock
Engine
Bore x
Stroke
★
L.A.
SLEEVE
Piston
Kit
Wrist
Pin
Bore
Size
mm
CC
Over
Size
mm
Ring Set Circlip
STD
0.10
0.50
1.00
1.50
2.00
780
782
791
801
810
820
779M08200
779M08210
779M08250
779M08300
779M08350
779M08400
8200LF
8210LF
8250LF
8300LF
8350LF
8400LF
RS
82.00
82.10
82.50
83.00
83.50
84.00
50-4184 01323
CW20 S461
FL-5290
L Ring
IJSBA
Ltd.
Class
Legal
82mm
x
74mm
780cc Twin Cylinder
3D Base 782
2005
3D Premium 782
2005
Challenger 1800 (782) 1997-1999
Challenger 782
1996-1997
GSX 782
1996-1997
GSX 782 RFI
1999-2000
GTI 782 LE
2005
GTI 782 LE RFI
2003-2005
GTI 782 RFI
2004-2005
GTX 782
1996-1999
GTX 782 RFI
1998-2002
Speedster 782
1998-1999
SPX 782
1997-1999
XP 782
1996-1997
XP-800 LTD (782)
1995
XP-800 LTD (782)
1997
STD
0.50
1.00
1.40
2.00
3.00
951
960
971
982
993
1017
716M08800
716M08850
716M08900
716M08940
716M09000
716M09100
3464KD
3484KD
3503KD
3520KD
3544KD
3584KD
RS
88.00
88.50
89.00
89.40
90.00
91.00
01242
CW21 S568
FL-5322
Cylinder Sleeving
and Crankcase
cleanup required
for 91mm bore.
**Special Head Gasket Required Part #6700BB (91.25mm)
Must gap
rings
88mm
x
78.2mm
950cc Twin Cylinder
3D 950 DI
2006-2007
GSX 950 LTD
1997-1999
GTX 950
2000-2002
GTX 950 DI
2000-2003
GTX 950 LTD
1998-2002
LRV 950
2000-2003
LVR 950 DI
2000-2003
RX 950
2000-2002
RX 950 DI
2000-2003
RXX 950
2001-2002
Sportster 950 LE
2000-2003
Sportster 950 LE DI 2004-2005
VSP 950 LTD
1999-2003
XP 950
2000-2002
XP 950 DI
2003-2004
XP 950 LTD
1998-2003
Sea-Doo 4-Tec
2004-2014
RXP/RXP-X/
RXT/RXT-X all
RXP 215
RXP-X 255
RXT 255/260
RXT-X 255/260
40038M10000
40038M10050
40038M10100
3937XS
10050XS
10100XS
100.00
100.50
101.00
W5860 S626
FL-5500
100mm
x
63.4mm
Compression
Ratio 8:4:1
