TM KZ10 engine
The TM KZ10 is gearbox karting's reference motor: the Pesaro maker's 125cc shifter engine (KZ10C evolutions refining it) whose world-title record made 'a TM' the KZ paddock's default answer to the engine question.
History
TM Racing's Pesaro operation built Italian two-stroke authority across motocross and karting, and the KZ10 line concentrated the karting half: 125cc reed-valve shifter engines for the KZ classes — gearbox karting's premier tier — whose evolution ladder (KZ10, B and C revisions refining porting, ignition and power character) accumulated CIK-FIA World Championship titles through the discipline's fiercest era, making TM the KZ world's benchmark against Vortex, Modena and the field.
Shifter-kart engineering is its own culture: ~48 hp at 14,000+ rpm through six-speed boxes, tuner-built race engines (the Italian preparatore tradition — engines blueprinted by named builders whose dyno rooms are the class's real grid) and the homologation-cycle rhythm CIK racing runs on.
Used KZ engines trade on builder-and-hours law: the preparatore's name and invoice (a named-tuner KZ10 prices far above factory-stock), hours since rebuild (top-end and bottom-end cycles the known arithmetic), homologation currency for your class, and the seals-and-provenance culture serious KZ paddocks enforce.
Palmarès
CIK-FIA KZ World Championship titles through the modern era's contested seasons, European crowns and national KZ championships across the discipline's map — the shifter benchmark's record, revision by revision.
What to check before you buy
Builder-and-hours law: a KZ engine's value is its preparatore (named Italian tuners' work carries the premium — invoices and dyno sheets prove it) and rebuild arithmetic (top-end hours, bottom-end cycles — the class's known intervals price the clock). Verify homologation currency against your class's CIK cycle, cylinder/casing matching to the claimed revision (KZ10/B/C identities), and clutch-and-ignition spec completeness. Practice engines price honestly below race builds. The KZ market's Italian-paddock transparency (everyone knows everyone's tuner) is the buyer's protection — use it.
Did you know
- The preparatore culture is KZ racing's real grid: engines carry their tuner's name like a signature, and the dyno room's reputation races too.
- ~48 hp at 14,000 rpm from 125cc through a six-speed box is gearbox karting's arithmetic — the most violent power density in grassroots motorsport.
- Pesaro's two-stroke tradition spans motocross and karting — TM's KZ authority is one town's port-timing knowledge compounding for decades.
In the marketplace now
View all →No exact TM KZ10 engine listed right now — here is closely related machinery on the market.
1965 Porsche 911 Type 901/01 Engine
Porsche 987.2, Cayman Boxster S, 3.4, Porsche Remanufactured Engine, NO MILES
BMW M3 E30 Motor S14 Engine Transmission Complete 100k Miles S14B23 Getrag 265
2021-2024 Ram 3500 6.7L Cummins Engine, AT, **76K MILES** **CAB & CHASSIS**
24-26 MERCEDES GLE580 GLS580 21-26 G63 GLE63 GLS63 ENGINE MOTOR 177.980 22kmiles
2015-2020 Ford Mustang GT350 5.2L Engine Swap Transmission 6 Speed 49K Miles OEM
Ferrari f430 2006 Engine assembly F136E V8 4.3
