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American Motorcycle Shop
"FATSO" - Motor
The Fatso Motor, built from Harley OEM parts. (except crankcase, flywheel and connecting rods). Will drop right into any vo Softail frame! Original H-D 1550ccm cylinders, Twin Cam heads and rocker boxes. Displacement 100.2 cu.in. and 40 Nm torque, with stock CV carburetor and slightly modified stock exhaust.
The Idea
We have combined the lower end of the well proven Evolution Motor
with the upper end of the new Twin Cam Motor. From the Evolution Motor we retained all
known components like Timing Cover, Oil Pump, Lifter Blocks, Oil Filter and Single Cam.
Then we added from the Oil Pump, Lifter Blocks, Oil Filter and Single Cam. Then we added
from the new Twin Cam Motor the upper end omponents like the larger OEM cylinders with
pistons, cylinder heads and rocker covers.
The "Fatso" Motor. Assembled from Harley OEM parts.
*Except crankcase, flywheel and connecting rods. Due to the use of the new and bigger, but shorter Twin Cam cylinders, the crankcase can be heightened with the result of a 4.25" stroke, and a displacement of .... 100 cubic inches !!!
The Advantages
You can continue to use all the components that proved to be
reliable in the past (like your own choice of cams, Dyna S ignition or billet aluminum
lifter blocks and Timing Cover) The motor is built from anytime available and stocked
Harley Davidson OEM parts.
* Except crankcase, flywheel and connecting rods. As opposed to the Twin Cam Motor, this
"Fatso" Motor will drop right into the Softail frame and is compatible with the
stock OEM 5-speed transmission Better cooling of the motor due to the larger cylinder
fins. And the best part, this "Fatso" Motor has .... 100 cubic inches !!!
The Price (Dealer Price upon request)
Motor complete with Mikuni HSR42 carb (without
stator/alternator) US$ 5'495.00
**Short Block (crankcase, flywheel, connecting rods, all assembled) and cylinder heads
(without valves etc.)
US$ 2'745.00**
** not including freight ex USA (approx. 6-8%) and duties/taxes
The Short Block version offers you the possibility of using components you might already
have, or of using other aftermarket products as per your customers request, or buy the
rest of the parts from Harley direct at your dealer cost. You can assemble the motor
yourself at your customers expense, which is equal to labour, and profit The complete
motor as well as the short block version can be ordered in black or silver.
Technical Details
| Bore: | 3.875" | (H-D Twin Cam Zylinder 1550 ccm) |
| Stroke: | 4.25" | (Stock Evolution 1340 ccm) |
| Displacement: | 100.2 cu.in. | |
| Cam: | Screaming Eagle SE-57 | (Or your own choice) |
| Carburetor: | Mikuni HSR 42 | (Or your own choice) |
Additional information will soon be made
available through the press.
For further questions, please do not hesitate to contact us.
Best regards,
AMS R. Cuonz
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The Fatso Motor, built from Harley OEM parts. (except crankcase, flywheel
and connecting rods). Will drop right into any Evo Softail frame! |
