1977 Bultaco Frontera 370
Bring a Trailer
Listed byBluebelle69
Truckee, California 96161500 milesManual
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Summary
Refinished red fiberglass tank, side panels, and headlight surround with replacement graphics; silver frame and white fenders. Speedometer works intermittently; replacement nylon drive gear installed in front hub. Replacement piston rings fitted in May 2026.
More details
Off-highway California title lists engine number HM1800120, omitting the "1" after the "8"; owner's manual and parts manual included.
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Loading sold figures · 12 months to Oct 18, '26
Listing history
1 appearance- 10/18/2026Bring a TrailerSold· this listing$8k
Bid History
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$8k
#2 of Bultacos in 2026
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#1 of Bultacos in 2026
Top 10% of all listings in 2026
Comments
25
#2 of Bultacos in 2026
Top 10% of all listings in 2026
Top Comments
2hecknback This is the only year the Frontera 250 and 370 had different chassis spec. The 370 has a heavier frame, bigger fork ... View more
zman Nice....need to see a cold start and up and down thru the gears... im interested!
pursang Frontera is good for about 33 hp. The sister Pursang, a vicious mx tool, generated 42 hp. Porting differences and a ... View more
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© 2026 Hypercars Technologies Inc. All rights reserved.
Hypercars Technologies Inc. is not affiliated with the companies or individuals mentioned on its site. Third-party trademarks and logos belong to their respective owners; use does not imply endorsement or affiliation. Data is provided "as is" without warranty of accuracy, completeness, or timeliness.