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Think this is it!
t700_x4_5e132bb3e8c5445225362fed336d5666.jpg
 
Mine was better than excellent for over four years, as was the Matador. One top end only, never even had to file the points on the Alp. I suspect user error! ;-) :-P
 
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The one Bultaco I had was a basket case when I got it. The flywheel had broke loose and wobbled on the crankshaft at some point and the center part that mated to the crank was no longer round - more egg shaped. Consequently, no matter how tight the holding nut was, the flywheel would sheer the key and spin on crank. Also, no matter how the carb was jetted and with new reeds, it would not start with an air filter connected to the carb. I eventually dropped it off at a motorcycle junk yard in Houston on a Sunday with a note that it was now their problem.
 
Reeds? Piston port on mine, none of those fancy hi-tech doodads. I can honestly say I never had a single reliability/durability issue on my Buls. And there has never been a greener newbie than me when I started. Truly dumber than dirt about two strokes.
 
Irishcoffee said:
Mine was better than excellent for over four years, as was the Matador. One top end only, never even had to file the points on the Alp. I suspect user error! ;-) :-P
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Oh Master sorry for my errors! All the bolts and screws were junk. Round off, strip, not hold,ect. Glad yours were great, and imagine you think KTM's are junk.
 
3 Palms today had a good turn out - big race tomorrow on the GP track. My buddy on his fast as 🤬 KDX did awesome in the loose conditions.
 

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I think it’s an Aermacchi/Harley model. Harley bought Aermacchi and produced their bikes with the Harley name (back in the AMF days of Harley). My neighbors in Louisiana had an enduro model. Kickstarter and shift were on opposite sides from Jap bikes.
 
The unit-construction engine had been introduced in 1958, designed by engineer Alfredo Bianchi, who had previously worked for Parilla motorcycles. It had a single OHV cylinder lying almost flat, angled upward by maybe five degrees, with very easy access to things like valves and the Dell’Orto carburetor. One American magazine, obviously not terribly familiar with things Italian, cheerfully called it a Del Lorto in a 1962 test. The cylinder was iron, while the head was aluminum, or light alloy, as some preferred to call it. With a bore of 66mm, stroke 72mm, the design was relatively long-stroke. Crankcases were split vertically, and the crankshaft was properly supported, with roller bearings at each end. Lubrication was pressure-fed from the four pints of oil in the wet sump. Ignition was by battery and coil, charging done by a Bosch alternator.
 
jbird710 said:
I think it’s an Aermacchi/Harley model. Harley bought Aermacchi and produced their bikes with the Harley name (back in the AMF days of Harley). My neighbors in Louisiana had an enduro model. Kickstarter and shift were on opposite sides from Jap bikes.
Click to expand...
correct
 
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