Engines · Off-road motorcycles, ATVs and UTVs
KTM off-road motorcycles, atvs and utvs
EPA certification records list 41 off-road motorcycle, ATV and UTV engine families from KTM, model years 2006–2024. Rated power ranges from 17 to 44 kW, median 34 kW. Displacement spans 249 cc to 566 cc. The most families were certified in 2014 (4).
Engine families41
Engine models28
Model years2006–2024
Power range17–44 kWmedian 34 kW
Displacement249 cc – 566 cc
Rank in category#28of 99 makers by families
Power distribution
Number of engine families by rated power.
Families certified per year
Technical mix
Fuel
Gas41
Configuration
441
Cylinders
1 cyl41
Most certified engine models
7756793379737873North America, Inc. 450 XC, 525 XC2North America, Inc. 250 XC-F-W2A4701A49017201North America, Inc. 250 XCF-W, FE 2501North America, Inc. 350 Freeride1North America, Inc. 350 XCF-W, FE 3501
Engine families
| Family | Model | Year | Displacement | Power | Fuel |
|---|---|---|---|---|---|
RKTXX.350XWF | A470 | 2024 | 350 cc | 28 kW | Gas |
RKTXX.511XWF | A490 | 2024 | 511 cc | 33 kW | Gas |
NKTXX.350GSE | 793 | 2022 | 350 cc | 31 kW | Gas |
NKTXX.511GSE | 797 | 2022 | 511 cc | 38 kW | Gas |
MKTXX.350GSE | 793 | 2021 | 350 cc | 31 kW | Gas |
MKTXX.511GSE | 797 | 2021 | 511 cc | 38 kW | Gas |
LKTXX.350GSE | 793 | 2020 | 350 cc | 31 kW | Gas |
LKTXX.511GSE | 797 | 2020 | 511 cc | 38 kW | Gas |
GKTXX.250XCW | 775 | 2016 | 350 cc | 34 kW | Gas |
GKTXX.350XCF | 775 | 2016 | 350 cc | 34 kW | Gas |
GKTXX.510XCW | 787 | 2016 | 510 cc | 42 kW | Gas |
FKTXX.250XCW | 775 | 2015 | 350 cc | 34 kW | Gas |
FKTXX.350XCF | 775 | 2015 | 350 cc | 34 kW | Gas |
FKTXX.510XCW | 787 | 2015 | 510 cc | 42 kW | Gas |
EKTXX.250XCW | 775 | 2014 | 350 cc | 34 kW | Gas |
EKTXX.350TBI | 720 | 2014 | 350 cc | 17 kW | Gas |
EKTXX.350XCF | 775 | 2014 | 350 cc | 34 kW | Gas |
EKTXX.510XCW | 787 | 2014 | 510 cc | 42 kW | Gas |
DKTXX.250XCF | North America, Inc. 250 XCF-W, FE 250 | 2013 | 249 cc | 27 kW | Gas |
DKTXX.350TBI | North America, Inc. 350 Freeride | 2013 | 350 cc | 17 kW | Gas |
DKTXX.350XCF | North America, Inc. 350 XCF-W, FE 350 | 2013 | 350 cc | 34 kW | Gas |
DKTXX.510XCW | North America, Inc. 450 XC-W, 500 XC-W, FE 501 | 2013 | 510 cc | 42 kW | Gas |
CKTXX.250XCF | North America, Inc. 250 XCF-W | 2012 | 249 cc | 27 kW | Gas |
CKTXX.350XCF | North America, Inc. 350 XCF-W | 2012 | 350 cc | 34 kW | Gas |
CKTXX.510XCW | North America, Inc. 450 XC-W, 500 XC-W | 2012 | 510 cc | 42 kW | Gas |
BKTXX.566HSB | North America, Inc. Husaberg FE390, Husaberg FE450 | 2011 | 566 cc | 42 kW | Gas |
BKTXX0.25XCF | North America, Inc. 250 XC-FW Six Days | 2011 | 250 cc | 25 kW | Gas |
BKTXX0.51EXC | North America, Inc. 450 XC-W Six Days, 530 XC-W Six Days | 2011 | 510 cc | 39 kW | Gas |
AKTXX.566HSB | North America, Inc. Husaberg FE390, Husaberg FE450, Husaberg FE570 | 2010 | 566 cc | 42 kW | Gas |
AKTXX0.25XCF | North America, Inc. 250XCFW Champions | 2010 | 250 cc | 25 kW | Gas |
AKTXX0.51EXC | North America, Inc. 400 XC-W, 450 XC-W Champions, 450 XC-W Six Days, 530 XC-W Six Days | 2010 | 510 cc | 39 kW | Gas |
9KTXX.478SXF | North America, Inc. 450 SX, 505 SX | 2009 | 478 cc | 44 kW | Gas |
9KTXX.510ATV | North America, Inc. 450 XC, 525 XC | 2009 | 510 cc | 39 kW | Gas |
9KTXX0.25XCF | North America, Inc. 250 XC-F-W | 2009 | 249 cc | 25 kW | Gas |
9KTXX0.51EXC | North America, Inc. 400 XC-W, 450 XC-W, 530 XC-W | 2009 | 510 cc | 39 kW | Gas |
8KTXX.510ATV | North America, Inc. 450 XC, 525 XC | 2008 | 510 cc | 39 kW | Gas |
8KTXX0.25XCF | North America, Inc. 250 XC-F-W | 2008 | 249 cc | 25 kW | Gas |
8KTXX0.51EXC | North America, Inc. 450 XC-W, 530 XC-W | 2008 | 510 cc | 39 kW | Gas |
7KTXX0.25XCF | North America, Inc. KTM 250 XC-F, KTM 250 XC-F-W | 2007 | 249 cc | 25 kW | Gas |
7KTXX0.51EXC | North America, Inc. 250 XC, 250 XC-W, 400 XC, 400 XC-W, 450 XC, 450 XC-W, 525 XC, 525 XC-W | 2007 | 510 cc | 39 kW | Gas |
6KTXX0.51EXC | North America, Inc. 250 EXC, 250 XC, 400 EXC, 400 XC, 450 EXC, 450 XC, 525 EXC, 525 XC | 2006 | 510 cc | 39 kW | Gas |
Other off-road motorcycles, atvs and utvs makers
Source
US Environmental Protection Agency engine certification data. Model year and manufacturer are decoded from EPA engine family codes (EPA codes:KTX). An engine family is a group of engines certified together; one family can cover several power ratings.
Engine calculators
Torque, power and BMEPPower from torque and RPM · Torque from power and RPM · Brake mean effective pressure (BMEP)Engine displacementDisplacement from bore, stroke and cylinders · Bore from displacement and stroke · Stroke from displacement and boreBSFC and thermal efficiencyBSFC from power and fuel flow · Fuel flow from power and BSFC · Thermal efficiency from BSFCCompression ratioStatic compression ratio · Chamber volume for a target compression ratio · Theoretical compression pressurePiston speedMean piston speed · Maximum RPM for a piston speed limit · Rod ratio, piston velocity and acceleration
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