Beschrijving

DT400MX (1R6), built in 1978, original with 6V electrical system

I bought it out of a barn in 2008 and completely restored it over the course of 3 years:

  • Frame and swingarm sandblasted and powder-coated.

  • All metal and plastic parts repainted in the original finish

  • Rear fender reinforcement strengthened, derusted, and painted

  • Exhaust system burned out, sandblasted, and painted

  • New axles turned for the swingarm and cantilever

  • Steering head: New roller bearings instead of the original ball bearings

  • New (used & unmodified) wiring harness installed

  • Seat reupholstered and re-covered

  • Engine disassembled, all bearings replaced, and resealed

  • Carbon diaphragms installed

  • Decompression unit repaired

  • All wear parts replaced: chain, sprocket, chain tensioner, clutch, brakes, fork oil seals, AGM gel battery

  • Onboard tools: Original set (OEM) included

  • Additional upgrades: electric turn signal relay with LED turn signals and isolating diode, electric charge regulator, steering head – roller bearings

  • New mirrors, new lock,

  • Except for the Magura handlebars and M. Robert front fender, it’s in original condition—a real head-turner at every meetup!

  • For those who prefer a more original look: the front fender is available on eBay for a few euros

Since the restoration, it has covered just under 5,000 km. Exact mileage unknown.

Anyone who’s ever ridden a two-stroke knows the appeal: The engine revs like a rocket, and the sound does the rest. It rides much more lively than an XT500, for example.

The 400 is Yamaha’s largest single-cylinder two-stroke; it was already rare in the 1970s and is practically impossible to find today.

The motorcycle and its restoration were featured in the german magazine Oldtimer Praxis 11/2025.

Private sale with no warranty, guarantee, or return policy. Viewing and test ride available by appointment.

Please note—this is not a distress sale! Please refrain from asking “What’s your bottom line?”

Conditie en registratie

Conditie categorie
Gerestaureerd
APK
APK tot
9-2027
Toegelaten
Rijklaar
Ongevallen vrij

Zelfbeoordelingen

Motor (beoordeling van verkoper)
Lak (beoordeling van verkoper)
Techniek (beoordeling van verkoper)

Inspectierapport

Niet beschikbaar
Inspection Report
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Technische details

Kenmerken

Merk
Yamaha
Model
DT 400
Type
Enduro/Scrambler
Eerste registratie
01-1978
Bouwjaar
1978
Kilometerstand
Carrosserienummer
Niet voorzien
Motornummer
Niet voorzien
Transmissienummer
Niet voorzien
Gelijke nummers
Niet voorzien
Aantal eigenaren
Niet voorzien
Café Racer
Niet voorzien

Technische details

Motortype
2 stroke
Vermogen (kW/pk)
15/21 (Fabriek: 20/27)
Cilinderinhoud (cm³)
400
Cilinders
1
Start
Kickstarter
Koeling
Niet voorzien
Versnellingsbak
Niet voorzien
Soort versnellingspook
Pedal Control Left
Versnellingen
5
Transmissie
Chain
Remmen voor
Drum
Remmen achter
Drum
Brandstof
Benzine
Leeg gewicht (kg)
Niet voorzien

Individuele configuratie

Kleur
Wit

Lokatie

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