1978 CZ 125 MX Type 511

Gary Jones Factory CZ World Championship Winning Bike 

Full Documentation &  Provenance 

Absolutely Gorgeous Museum Investment Quality

This is not just a rare motorcycle—this is a once-in-a-lifetime piece of motocross history.

Extraordinarily rare CZ 125 MX Type 511, a model that was never officially imported into the United States.

 This example was imported directly from Czechoslovakia into California to Race & Win The CZ World Championship, 

We have the original importer paperwork to prove it.

 But what truly elevates this machine into a different stratosphere is its undisputed race provenance.

🏆 This Exact Bike Won The CZ World Championship 

This is the exact motorcycle ridden by AMA National Champion Gary Jones to victory at the CZ World Championships at Saddleback Park. 

Even more astonishing—Jones won the 250 Pro class on this 125, outright beating the 250s. 

That feat is documented in Motocross Action Magazine and supported by a signed affidavit from the original promoter

Proof & Confirmation this Matching Numbers Original motorcycle’s identity and competition history.

If you look closely at the number plates, you can still see the faint shadow of Gary Jones’ race number 84—a subtle but powerful reminder of its history. 

Those numbers were originally present when the bike came from the Roy Thacker 93-bike collection, 

and while they were removed during detailing (standard practice), we are happy to reinstall the correct #84 at the buyer’s request.

📖 Full, Undisputed Provenance

This motorcycle comes with museum-level documentation, including:

• Original importer and shipping documents (Forward Air, Inc.)

• Manufacturer’s Statement of Origin

• Signed authentication letters verifying Gary Jones’ competition use

• Motocross Action Magazine (February 1982) featuring Jones winning on this exact bike

• Original CZ owner’s manual

• Original CZ spare parts catalog

• Original CZ Type 511 factory brochure

This is what collectors mean when they say “full provenance.”

🔍 Condition – Concours / Factory Race Bike Quality

The condition of this CZ is simply stunning:

• Frame rails and engine cases are pristine with no dings, rash, or damage

• Factory safety wiring still present, exactly as required for tech inspection

• Original metal fuel tank, beautifully painted, spotless inside with zero rust

• Original CZ-marked front fender (not a reproduction)

• Original rims, perfectly straight, with smooth bearings

• Fork lowers, swingarm, and hardware all appear factory-fresh

• Matching numbers confirmed:

  • Frame: 000776

  • Engine: 000596

• Engine runs flawlessly—no piston slap, no bearing noise, and no signs of wear

It has been careful preserved.

⚙️ Factory & Works Details

• Upgraded Works Performance shocks (the period-correct “hot setup”)

• Lightweight swingarm and aluminum chain guard

• Original expansion chamber with integrated heat shield—no dents, no damage

• Beautifully crafted silencer with embossed detailing is an original work of art

• Original fiberglass components with decals intact

• Fresh top-of-the-line Michelin competition tires

• New grips, excellent controls, cables, and levers throughout

Everything about this motorcycle reflects factory race preparation and meticulous care.

🏛️ A Crown Jewel

This CZ is one of the crown jewels of the Roy Thacker Collection and one of the finest examples we have ever handled. Quite frankly, most collectors will never see another one like this, let alone have the opportunity to own it.

The bike is being sold to support the New England Motorcycle Museum, where it has proudly been on display. We would love to keep it—but opportunities like this are exactly why collectors come to us.

If you are looking for a true factory-supported, world championship-winning CZ 125, with iron-clad documentation and show-level condition, there is only one.

📞 Questions? Call us directly at 860-454-7024.
This bike is a stunner—and a piece of motocross history that will never be duplicated.

Thank you for looking, and God Bless America.