|
RevTech 88" |
RevTech 100" |
| Cylinders/Heads: |
| Displacement |
1442cc |
1638cc |
| Bore |
3-5/8" |
3-13/16" |
| Stroke |
4-1/4" |
4-3/8" |
| Compression Ratio |
9.7:1 |
10:1 |
| Cylinder Head CC Volume |
76cc |
76cc |
| Cylinder Head Seal |
Viton o-ring |
Viton o-ring |
| Cylinder Base Seal |
Viton o-ring |
Viton o-ring |
| Exhaust Ports |
D-shaped |
D-shaped |
| Cylinder Head Studs |
Wider spaced head
bolt pattern for increased strength |
Wider spaced head
bolt pattern for increased strength |
| CylinderHeadFins |
Additional and
longer fins for increased cooling in high-heat areas
| Additional and
longer fins for increased cooling in high-heat areas |
| Cylinder Liner Material |
Steel |
Steel |
| Cylinder Liner |
Perma-locked to cylinder |
Perma-locked to cylinder |
Pistons/Rings: |
| Pistons |
Cast aluminum flat top with valve cutouts |
Cast aluminum flat top with valve cutouts |
| Rings |
Moly top ring |
Moly top ring |
Valves: |
| Valve Size- Intake |
1.940"diameter |
1.940"diameter |
| Valve Size- Exhaust |
1.610"diameter |
1.610"diameter |
| Valve Construction |
One-piece stainless steel with nitrided stem |
One-piece stainless
steel with nitrided stem |
| Valve Spring
Pressure |
180lbs. |
180lbs. |
| Valve
Guides |
Cast
iron |
Cast
iron |
| Keeper to Valve Stem
Clearance |
.570" |
.570" |
| Tappets |
Hydraulic |
Hydraulic |
| Push
Rods |
Solid |
Solid |
Cams: |
| Cam
Model |
RevTech
50 |
Andrews
EV38 |
| Intake Valve
Lift |
.520" |
.495" |
| Exhaust Valve
Lift |
.520" |
.500" |
| Intake Duration
@.053 |
234° |
280° |
| Exhaust Duration
@.053 |
234° |
295° |
| Intake
Open |
9° |
21° |
| Intake
Close |
45° |
37° |
| Exhaust
Open |
45° |
52° |
| Exhaust
Close |
9° |
20° |
Ignition/SparkPlugs: |
| Recommended
Coil |
12volt/3ohm
coil |
12volt/3ohm
coil |
| Spark
Plugs |
Accel12mm |
Accel12mm |
| Spark Plug
Gap |
.040"gap |
.040"gap |
| Ignition |
RevTech by Crane
electronic ignition. Ignition curve has been mapped for use with RevTech
Engines. Can select between dual or single-fire. Includes VOES
option. |
RevTech by Crane
electronic ignition. Ignition curve has been mapped for use with RevTech
Engines. Can select between dual or single-fire. Includes VOES
option. |
Flywheels: |
| Flywheel
Design |
RevTech one-piece
flywheel and shaft design |
RevTech one-piece
flywheel and shaft design |
| Flywheel
Material |
Forged 4340
steel |
Forged 4340
steel |
Cases: |
| Material |
356-T6 cast
aluminum |
356-T6 cast
aluminum |
| Design |
Added material in
high stress areas for superior strength |
Added material in
high stress areas for superior strength |
| MainBearingInserts |
Removable pressed
and bolted-in timkin and pinion bearing inserts |
Removable pressed
and bolted-in timkin and pinion bearing inserts |
| BottomSump |
Removable bottom
sump plate allows inspection |
Removable bottom
sump plate allows inspection |
OilPump: |
| Oil Pump |
Polished RevTech
1992-1999 OEM style |
Polished RevTech
1992-1999 OEM style |
Carburetor: |
| Carb |
Mikuni
HSR42 |
Mikuni
HSR42 |
| Intake
Manifold |
Closely matched to
intake port for maximum flow |
Closely matched to
intake port for maximum flow |
Chrome
Accessories: |
| Carb |
Chrome carb
top |
Chrome carb
top |
| Oil Pump |
Chrome
cover |
Chrome
cover |
| Rocker
Boxes |
Custom
'Smooth' |
Custom
'Smooth' |
| Lifter
Blocks |
Chrome |
Chrome |
| Pushrod
Covers |
Chrome |
Chrome |
| Cam
Cover |
Smooth
Chrome |
Smooth
Chrome |
| Oil Filter
Mount |
Chrome |
Chrome |
| Oil
Filter |
Chrome
RevTech |
Chrome
RevTech |
| Misc
Hardware |
Chrome |
Chrome |
Warranty: |
| Warranty |
2 years or 20,000
miles |
2 years or 20,000
miles |
PartNumbers: |
| BlackWrinkleFinish |
58-500 |
58-505 |
| NaturalAluminumFinish |
58-501 |
58-506 |
| ShowPolishedFinish |
58-503 |
58-508 |
Notes: |
| 1) 1987-91
FLT models require the use of oil pump cover CCI#93-888 to clear the rear master
cylinder bracket on the frame.
|
