Mitsuba Corporation
7280.TMEDIUMScore: 30.5Two-Wheeler Motors / EV Drive Systems · Weight: 3%· Data as of 2026-05-06
Investment Thesis
Honda keiretsu supplier developing dedicated e-motorcycle drive motors (MA01A, MA02A — 48V, up to 150cc class) for the Asia two-wheeler EV market. Showcased at Automotive World 2026. Manufacturing planned in India, Vietnam, Thailand, Indonesia — aligned with Honda's Asia e-motorcycle expansion. At PE ~5.5x, the market prices Mitsuba as a declining ICE parts maker; the e-motorcycle EV motor ramp (2027-2030) is not priced in.
Risk
Revenue declining -2.7% YoY (FY2026 forecast ¥340B). Net margin compressed from 3.9%→2.4%. ¥7B one-off loss raises earnings quality concerns. Chinese hub motor makers (Bafang, QS Motor) are lower-cost. ICE motorcycle business shrinks faster than EV ramp. Mitsuba's EV motor revenue is likely <5% of current revenue — concept stock risk near-term.
Monitoring Trigger
If Mitsuba announces Honda e-motorcycle motor supply contract (confirmed), upgrade. If FY2026 full-year results (May 2026) show EV motor segment disclosed with >¥5B revenue, add. If margins do not recover to 3%+ by H1 FY27, reduce position.
Key Dates
Key Metrics
Business Segments
| Segment | Revenue | Share | Description |
|---|---|---|---|
| Motorcycle Electrical Systems | est. ~¥120B | ~35% | Starters, ACG generators, ACG starters for Honda/Yamaha motorcycles. Asia and South America growing. China weak. |
| Automotive Electrical Systems | est. ~¥180B | ~53% | Wiper motors, window regulators, fan motors for automotive OEMs. Cyclical, declining. |
| EV Drive Systems (Two-Wheeler) | est. <¥5B | ~1-2% | MA01A/MA02A 48V hub motors and drive systems for e-motorcycles. Automotive World 2026 showcase. R&D/pre-production phase. |
Supply Chain Evidence
| Evidence | Customer | Product | Detail |
|---|---|---|---|
| confirmed | Honda Motor | Starter motors, ACG starters, AC generators for motorcycles | Mitsuba has been Honda keiretsu motorcycle electrical supplier since 1960. Starter motor, ACG starter, fuel pump modules for Honda motorcycles across Asia. |
| probable | Honda Motor / OEM TBD | MA01A/MA02A 48V EV drive motors for two-wheelers (up to 150cc class) | Mitsuba showcased MA01A/MA02A drive motor at Automotive World 2026. Manufacturing planned in India, China, Thailand, Vietnam, Indonesia. No confirmed Honda supply contract yet. |
| probable | Yamaha Motor | Motorcycle electrical components | Mitsuba supplies other Japanese OEMs per MarkLines supplier database. |
Primary IR Documentation
Values and insights cited from official company IR releases (earnings, 決算短信, MoUs, presentations).
Cites: Primary IR portal
https://www.mitsuba.co.jp/en/ir/
Cites: FY2026 full-year tanshin (May 15, 2026)
https://www.mitsuba.co.jp/en/ir/library/files/past_accounts/20260515_01_en.pdf
Cites: e-Motorcycle drive motor product page — Honda keiretsu supply
https://www.mitsuba.co.jp/en/products/motercycle.html