| Parameter | Specification |
|---|---|
| Model Year | 2019 (K) |
| Engine Oil | SAE 10W-30 JASO T 903 MA (1.5 L) |
| Front Tire | 3.00-21 51P |
| Rear Tire | 120/80-18M/C 62P |
| Tire Pressure | F: 1.5 bar / R: 1.5 bar (22 psi) |
| Battery | YTZ8V (Lead-Acid/AGM) |
| Spark Plug | NGK SIMR8A9 (Iridium) |
A unique engineering highlight of the MD44 generation (2017-2020) is the integration of a larger 38mm throttle body and a revised airbox design compared to its predecessor, the MD38. These modifications were not merely for peak power, but to flatten the torque curve, making the CRF 250 LA one of the most tractable dual-sport platforms in the 250cc class. The ‘LA’ suffix specifically denotes the inclusion of a dual-channel ABS system, which was a significant safety milestone for Honda’s small-displacement off-road lineage.
Technical Engineering Overview
At the heart of the MD44 is the liquid-cooled, 249cc single-cylinder DOHC engine. Unlike pure motocross engines, this unit utilizes a roller rocker arm design for the valve train, which significantly reduces friction and extends service intervals. The 2019 model benefits from a refined PGM-FI system that provides crisp throttle response even at high altitudes, a critical factor for adventure riders venturing into mountainous terrain.
Maintenance Guide & Fluid Dynamics
For the 2019 CRF 250 LA, lubrication is critical. The system requires 1.5 liters of SAE 10W-30 oil meeting the JASO T 903 MA standard. Using non-MA rated oils can lead to premature clutch slippage due to the wet-clutch design. The ignition system relies on the NGK SIMR8A9, a high-performance iridium plug designed to withstand the heat cycles of both slow-speed technical trails and high-speed tarmac connectors.
Chassis and Contact Patch
The suspension geometry is complemented by a specific tire configuration: a 21-inch front for obstacle roll-over and an 18-inch rear for a wide selection of off-road rubber. For mixed-use riding, Honda specifies a uniform 1.5 bar (22 psi) pressure. Riders transitioning to heavy off-road use may lower these pressures for traction, but must be wary of rim strikes given the bike’s curb weight.
MotoSpecsLab Verdict
The Honda CRF 250 LA (MD44) remains a gold standard for reliability. Its engineering prioritizes longevity and ease of use over raw racing performance, making it the ideal entry point for serious dual-sport enthusiasts. Following the prescribed maintenance schedule—specifically regarding the YTZ8V battery health and high-grade Iridium plug replacement—ensures this machine remains ‘Honda-reliable’ for decades.
Frequently Asked Questions
Q: What is the battery type for the MD44?
A: The 2019 model utilizes the YTZ8V battery, known for its high cold-cranking amps in a compact form factor.
Q: Can I use 10W-40 oil?
A: While 10W-30 is the factory recommendation for optimal fuel efficiency and flow, 10W-40 can be used in consistently hot climates, provided it meets JASO MA standards.