Engines · Motorcycle engines

Kawasaki motorcycle engines

EPA certification records list 425 highway motorcycle engine families from Kawasaki, model years 2006–2027. Rated power ranges from 7 to 170 kW, median 61 kW. The most families were certified in 2026 (25).

Engine families425
Engine models50
Model years2006–2027
Power range7–170 kWmedian 61 kW
Rank in category#4of 108 makers by families

Power distribution

Number of engine families by rated power.

0–19 kW39
19–37 kW58
37–56 kW109
56–75 kW27
75–130 kW124
130–225 kW68

Families certified per year

200612
200723
200819
200916
201015
201113
201215
201315
201416
201516
201617
201719
201822
201922
202024
202124
202224
202324
202424
202524
202625
202716

Technical mix

Fuel
Gas422Hyd3
Configuration
4425
Cylinders
1 cyl632 cyl1694 cyl193

Most certified engine models

Er650Ae44Zxt00Ne30Vnt70Ae24Vn900Be22Zxt40Ae21Zx600Pe18Zrt00De17Ex300Ae16Zr900Be16Zrt00Ae15Zx636Ee13Bn125Ae13

Engine families — latest 150

FamilyModelYearPowerFuel
VKAXC.177AAABj175De202710 kWGas
VKAXC.233AABLx230Ae202713 kWGas
VKAXC.233AACLx230Ae202713 kWGas
VKAXC.296AACEx300Ae202729 kWGas
VKAXC.296AADEx300Ae202729 kWGas
VKAXC.399AACZx400Pe202742 kWGas
VKAXC.451AAAEl450Ae202738 kWGas
VKAXC.636AAFZx636Ee202791 kWGas
VKAXC.649AAEEr650Ae202745 kWGas
VKAXC.649AAHLe650He202749 kWGas
VKAXC.773AAAEj800Ae202738 kWGas
VKAXC.903AABVn900Be202738 kWGas
VKAXC.948AACZr900Se202792 kWGas
VKAXC.998AAJZxt00Ne2027147 kWGas
VKAXC.998AALZxt00Ne2027147 kWGas
VKAXC1.10AAAZxt10He2027102 kWGas
TKAXC.125AAABn125Ae20267 kWGas
TKAXC.177AAABj175De202610 kWGas
TKAXC.233AABLx230Ae202613 kWGas
TKAXC.233AACLx230Ae202613 kWGas
TKAXC.292AAALx300Ce202619 kWGas
TKAXC.296AACEx300Ae202629 kWGas
TKAXC.296AADEx300Ae202629 kWGas
TKAXC.399AACZx400Pe202642 kWGas
TKAXC.451AAAEl450Ae202638 kWGas
TKAXC.451AABCx500Ae202645 kWHyd
TKAXC.451AACEx500Ge202638 kWGas
TKAXC.636AAFZx636Ee202691 kWGas
TKAXC.649AAEEr650Ae202645 kWGas
TKAXC.649AAHLe650He202649 kWGas
TKAXC.652AAAKl650Fe202630 kWGas
TKAXC.773AAAEj800Ae202638 kWGas
TKAXC.903AABVn900Be202638 kWGas
TKAXC.948AACZr900Se202692 kWGas
TKAXC.998AAHZxt00Ne2026170 kWGas
TKAXC.998AAJZxt00Ne2026147 kWGas
TKAXC.998AAKZxt00Je2026139 kWGas
TKAXC.998AALZxt00Ne2026147 kWGas
TKAXC1.04AAJZxt02Ke2026105 kWGas
TKAXC1.10AAAZxt10He2026102 kWGas
TKAXC1.70AACVnt70Ae202661 kWGas
SKAXC.125AAABn125Ae20257 kWGas
SKAXC.233AABLx230Ae202513 kWGas
SKAXC.233AACLx230Ae202513 kWGas
SKAXC.292AAALx300Ce202519 kWGas
SKAXC.296AACEx300Ae202529 kWGas
SKAXC.399AACZx400Pe202542 kWGas
SKAXC.451AAAEl450Ae202538 kWGas
SKAXC.451AABCx500Ae202545 kWHyd
SKAXC.636AAFZx636Ee202591 kWGas
SKAXC.649AAEEr650Ae202545 kWGas
SKAXC.649AAHLe650He202549 kWGas
SKAXC.652AAAKl650Fe202530 kWGas
SKAXC.773AAAEj800Ae202538 kWGas
SKAXC.903AABVn900Be202538 kWGas
SKAXC.948AABZr900Be202582 kWGas
SKAXC.948AACZr900Se202592 kWGas
SKAXC.998AAHZxt00Ne2025170 kWGas
SKAXC.998AAJZxt00Ne2025147 kWGas
SKAXC.998AAKZxt00Je2025139 kWGas
SKAXC.998AALZxt00Ne2025147 kWGas
SKAXC1.04AAJZxt02Ke2025105 kWGas
SKAXC1.10AAAZxt10He2025102 kWGas
SKAXC1.44AABZxt40Ee2025147 kWGas
SKAXC1.70AACVnt70Ae202561 kWGas
RKAXC.125AAABn125Ae20247 kWGas
RKAXC.233AABLx230Ae202413 kWGas
RKAXC.292AAALx300Ce202419 kWGas
RKAXC.296AACEx300Ae202429 kWGas
RKAXC.399AABEx400Ge202436 kWGas
RKAXC.399AACZx400Pe202442 kWGas
RKAXC.451AAAEl450Ae202438 kWGas
RKAXC.451AABCx500Ae202445 kWHyd
RKAXC.636AAFZx636Ee202491 kWGas
RKAXC.649AAEEr650Ae202445 kWGas
RKAXC.649AAHLe650He202449 kWGas
RKAXC.652AAAKl650Fe202430 kWGas
RKAXC.773AAAEj800Ae202438 kWGas
RKAXC.903AABVn900Be202438 kWGas
RKAXC.948AAAZr900Be202492 kWGas
RKAXC.948AABZr900Be202482 kWGas
RKAXC.998AAHZxt00Ne2024170 kWGas
RKAXC.998AAJZxt00Ne2024147 kWGas
RKAXC.998AAKZxt00Je2024139 kWGas
RKAXC.998AALZxt00Ne2024147 kWGas
RKAXC1.04AAHZrt00De202488 kWGas
RKAXC1.04AAJZxt02Ke2024105 kWGas
RKAXC1.44AABZxt40Ee2024147 kWGas
RKAXC1.70AACVnt70Ae202461 kWGas
PKAXC.125AAABn125Ae20237 kWGas
PKAXC.233AAALx230Ae202314 kWGas
PKAXC.292AAALx300Ce202319 kWGas
PKAXC.296AACEx300Ae202329 kWGas
PKAXC.399AABEx400Ge202336 kWGas
PKAXC.399AACZx400Pe202342 kWGas
PKAXC.599AAGZx600Pe202393 kWGas
PKAXC.636AAEZx636Ee202395 kWGas
PKAXC.649AAEEr650Ae202345 kWGas
PKAXC.649AAGEr650Ae202350 kWGas
PKAXC.649AAHLe650He202349 kWGas
PKAXC.652AAAKl650Fe202330 kWGas
PKAXC.773AAAEj800Ae202338 kWGas
PKAXC.903AABVn900Be202338 kWGas
PKAXC.948AAAZr900Be202392 kWGas
PKAXC.948AABZr900Be202382 kWGas
PKAXC.998AAHZxt00Ne2023170 kWGas
PKAXC.998AAJZxt00Ne2023147 kWGas
PKAXC.998AAKZxt00Je2023139 kWGas
PKAXC.998AALZxt00Ne2023147 kWGas
PKAXC1.04AAHZrt00De202388 kWGas
PKAXC1.04AAJZxt02Ke2023105 kWGas
PKAXC1.44AABZxt40Ee2023147 kWGas
PKAXC1.70AACVnt70Ae202361 kWGas
NKAXC.125AAABn125Ae20227 kWGas
NKAXC.233AAALx230Ae202214 kWGas
NKAXC.292AAALx300Ce202219 kWGas
NKAXC.296AACEx300Ae202229 kWGas
NKAXC.399AABEx400Ge202236 kWGas
NKAXC.599AAGZx600Pe202293 kWGas
NKAXC.636AAEZx636Ee202295 kWGas
NKAXC.649AAEEr650Ae202245 kWGas
NKAXC.649AAGEr650Ae202250 kWGas
NKAXC.649AAHLe650He202249 kWGas
NKAXC.652AAAKl650Fe202230 kWGas
NKAXC.773AAAEj800Ae202238 kWGas
NKAXC.903AABVn900Be202238 kWGas
NKAXC.948AAAZr900Be202292 kWGas
NKAXC.948AABZr900Be202282 kWGas
NKAXC.998AAHZxt00Ne2022170 kWGas
NKAXC.998AAJZxt00Ne2022147 kWGas
NKAXC.998AAKZxt00Je2022139 kWGas
NKAXC.998AALZxt00Ne2022147 kWGas
NKAXC1.04AAHZrt00De202288 kWGas
NKAXC1.04AAJZxt02Ke2022105 kWGas
NKAXC1.35AAEZxt40Ae2022114 kWGas
NKAXC1.44AABZxt40Ee2022147 kWGas
NKAXC1.70AACVnt70Ae202261 kWGas
MKAXC.125AAABn125Ae20217 kWGas
MKAXC.233AAALx230Ae202114 kWGas
MKAXC.292AAALx300Ce202119 kWGas
MKAXC.296AACEx300Ae202129 kWGas
MKAXC.399AABEx400Ge202136 kWGas
MKAXC.599AAGZx600Pe202193 kWGas
MKAXC.636AAEZx636Ee202195 kWGas
MKAXC.649AAEEr650Ae202145 kWGas
MKAXC.649AAFEr650Ae202151 kWGas
MKAXC.649AAGEr650Ae202150 kWGas
MKAXC.773AAAEj800Ae202138 kWGas
MKAXC.903AABVn900Be202138 kWGas
MKAXC.948AAAZr900Be202192 kWGas

Other motorcycle engines makers

Honda497Yamaha455Piaggio437Suzuki382Ducati327Triumph Motorcycles236Harley-Davidson211KTM199Kymco187BMW171Genuine Scooters112

Source

US Environmental Protection Agency engine certification data. Model year and manufacturer are decoded from EPA engine family codes (EPA codes:KAX). 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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