VINTAGE GO KART McCULLOCH MC91B1 MODIFIED RACING ENGINE MAC 91B1 MOTOR

Description

Up for auction is this used McCulloch MC91B1 motor.
The bore size is 10 over (.010). Block, intake & exhaust have been modified. It has no broken fins. This Engine was totally rebuilt in 2019 and ran once at the Marina Kart meet on my twin Rupp Brand X Kart, (right engine in last pic). I have since then switched to dual 101's. Engine has good compression and good spark.
Sparkplug is new. Has correct 5 degree Flywheel.  The BDC14 carb diaphragms and duckbill valve are all in good usable condition. The RH threads & keyways are in good condition.
As with all Racing Items, this Engine is being sold “As Is” no warranty or returns.  Please see pics and feel free to ask any questions.
Winning Bidder pays a UPS Ground flat rate for packaging and shipping of .75. ***NO PO BOXES***  Shipping only within the Domestic United States
*NO INTERNATIONAL BIDDERS*
. Paypal payment should be received within 48 Hours.