Yanmar — Stage 1 / Stage 2 parameters database

The CHIPOK database holds 4 engines for Yanmar with reverse-engineered ECUs and Stage 1 / Stage 2 target parameters. We cover 4 models. Diesel engines only.

Choose a model

Models4

Engines4

ECU makersBosch / Continental / Denso / Siemens

File turnaround30–60 min

or choose step by step

Choose a vehicle type

Yanmar models in the database (4)

Yanmar 4BY150

1 engine avg. +35 hp

→

145 HP 145hp (107kW) 330Nm

Yanmar 4BY180

1 engine avg. +42 hp

→

173 HP 173hp (127kW) 360Nm

Yanmar 6BY220

1 engine avg. +53 hp

→

212 HP 212hp (156kW) 520Nm

Yanmar 6BY260

1 engine avg. +63 hp

→

248 HP 248hp (182kW) 570Nm

About Yanmar chip tuning

Engines and platforms:

Main engines: industrial 3T/4T-series, marine 4LV/4JH/4LH/6LH/6LP, 4JH4, 4JH5, 6BY series (BMW-derived joint), 6LY/6LY3 (440-700 hp), 8LV (320-370 hp V8)
Platforms: Marine common-rail / industrial / construction

Supported ECUs:

Manufacturers: Bosch / Continental / Denso / Siemens
Specific Yanmar units in the database: Bosch EDC7UC31 (legacy), EDC17CV41, EDC17CV44, EDC17C53, Yanmar VC10, VC20 (Vessel Control), Yanmar SmartAssist, Yanmar EH700 series, Denso-derived ECMs (on 4JH series), 4JH4-CR, 4LV-CR (Common Rail PCM)
Yanmar specifics: Bosch ECU + Yanmar-specific adaptations — work via bench

Service terms:

Calibrations are done by hand in WinOLS5 + Ghidra for each specific control unit
Checksums are recalculated on the engineer's side — the file is ready to flash with a current programmer
File returned within 30-60 minutes during working hours
Free revisions based on an OBD log