I found out they no longer make the KLR 650s to run on Diesel for the marine core

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No, they no longer produce diesel KLR 650s for the U.S. Marine Corps. Production of the famous multi-fuel military motorcycle—officially designated as the HDT M1030M1—ceased many years ago. 

The History of the Diesel KLR

The diesel variants were never actually built by Kawasaki. A third-party military contractor named Hayes Diversified Technologies (HDT) bought standard gasoline Kawasaki KLR 650s and retrofitted them with a proprietary, liquid-cooled 584cc (and later 670cc) diesel engine. 

The Department of Defense requested this modification to satisfy the military's "Single Fuel Concept." This strategy mandated that all field equipment run on heavy fuels like Diesel or JP-8 jet fuel to simplify combat zone logistics. 

Why Production Stopped

• Limited Production Run: Only a few hundred (some records state exactly 214) of the M1030M1 units were ever manufactured before the military contract concluded. 
• Company Dissolution: Hayes Diversified Technologies has long since ceased operations, and its founder, Fred Hayes, passed away in 2021. Because of this, authentic replacement parts are nearly non-existent. 
• Shift to Electric: In modern scout operations, the Marines have transitioned toward specialized stealth platforms, including nearly silent electric dirt bikes like the Zero MMX. 

Buying One Today

The remaining military stock has been decommissioned. While they occasionally surface on government surplus platforms or collector websites like Mecum Auctions, their rarity has driven prices up. Once sold at surplus for around $5,000, they now command anywhere from $10,000 to over $25,000 depending on their running condition. 

If you are looking for a standard adventure bike, the civilian, gasoline-powered Kawasaki KLR650 remains in active production. 

Are you researching these for a military history project, or are you actively looking to track one down at a surplus auction?

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Videos

The Real Reason why you NEED a DIESEL KLR

YouTube · Srkcycles

Jun 4, 2024

YouTube · Srkcycles

19:13

The diesel KLR650, a unique motorcycle, runs on multiple fuels, is EMP proof, and gets 600 miles per tank.

The US Marines' Kawasaki KLR Diesel | Why It Exists

YouTube · Tuesday at Dobbs’

Sep 3, 2024

YouTube · Tuesday at Dobbs’

26:58

These heavily modified Kawasakis to run on diesel have in essence been made for predominantly the US Marines to to head off into war.

The Untold Story About KAWASAKI KLR650 Diesel Engine

YouTube · Rider Dose

Oct 15, 2025

YouTube · Rider Dose

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Kawasaki KLR Forum

https://www.klrforum.com › threads › marines-klr650-...

Feb 10, 2022 — This US Military adventure motorcycle is fitted with a modified down-sized 584cc engine making around 30hp. Hayes Diversified Technologies (HDT) ...

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