138:
125:
standard on all models, with the 114 cu in (1,870 cc) version making a claimed 119 lb⋅ft (161 N⋅m) remaining as an option on some softails and all touring and trike models, and the 117 cu in (1,920 cc) is standard on CVO models with a claimed 124 lb⋅ft (168 N⋅m) and rear wheel power of 93.75 hp (69.91 kW) @ 4,870 rpm and 112.51 lb⋅ft (152.54 N⋅m) @ 3,400 rpm. For model year 2022, the 117 cu in version became standard on
Breakout and Low Rider S/ST Softail models and on the "ST" variants of the Touring models. In 2023, the 121 cu in (1,980 cc) version equipped with variable-valve timing debuted on the CVO models.
176:, like many other motorcycle magazines, was given the opportunity to test ride and review the Milwaukee-Eight engine. The reviews have been positive, and report a better ride quality, while still keeping the Harley feel. Cycle World's reviewer reported a noticeable reduction in the heat output from the engine, enabling the reviewer to ride more comfortably. The review concludes that the changes make this engine an improvement over its predecessor.
149:
torque. The exhaust and intake flow capacity is increased by 50 percent over the Twin Cam models. Although weighing the same as its predecessor, both models of the
Milwaukee-Eight increase in acceleration by 10% (0-60 for the 107 vs the 103) and 8% (0-60 for the 114 vs. the 110). Fuel economy is also increased, with percentages varying for engine and model.
27:
124:
All engines have eight valves in two cylinders in the traditional Harley-Davidson Radial V-twin configuration at 45°, are combination of air-cooled and oil-cooled, and activate valves with push-rods. The 107 cu in (1,750 cc) model with a claimed 108–112 lb⋅ft (146–152 N⋅m) is
107:
is the ninth generation of "big twin" engines developed by the company, but only Harley's fourth all-new Big Twin in 80 years, first introduced in 2016. These engines differ from the traditional Harley Big Twin engines in that there are four valves per cylinder, totaling eight valves, hence the name.
162:
temperature by 100°F (55.6 C) by introducing a better water cooling solution, and also relocated the hot catalytic converters further from the cockpit, allowing for a more comfortable ride. Finally, Harley looked at the vibration issues and decided to reduce the vibrations by 75%, to try to effect a
148:
In 2016, the
Milwaukee-Eight engines became available on Touring and Trike models of the 2017 model year. The Softail models started using the Milwaukee-Eight the following year. The most significant change from the Twin Cam are the two extra valves per cylinder head which produce 10 percent more
157:
Harley conducted interviews in seven cities; over 1,000 people were asked to outline what they would like to see in the next line of touring bikes. These interviews resulted in the new
Milwaukee-Eight engine. The biggest improvements people wanted to see were more power, less heat, and less
249:
McDevitt For comparison a 1996 Geo Metro is rated at 49 HP and 55lbs/ft torque all out of a three cylinder one litre engine. This out of the 1996 Geo Metro Owners manual, Jon (March 20, 2018).
158:
vibration. Harley was able to increase the power while also keeping the range and consumption similar and in some cases making it even better. To deal with the heat issue, Harley reduced the
137:
108:
It also marked a return to the single-camshaft configuration as used on previous Harley Big Twin
Engines from 1936 to 1999. In addition, the engines all have internal
275:
194:
219:
319:
344:
374:
130:
70:
250:
290:
227:
142:
82:
77:
298:
269:
223:
101:
89:
52:
47:
40:
368:
109:
172:
159:
163:
balance between the expectations of hardcore fans and new Harley owners.
26:
195:"Harley-Davidson Unveils The Milwaukee-Eight Engine For Touring Models"
113:
345:"Riding The 2017 Harley-Davidson Milwaukee-Eight-Powered FL Models"
136:
291:"10 Key Differences Between Harley's Milwaukee-8 & Twin Cam"
320:"2017 Harley-Davidson Milwaukee-Eight Engines Tech Brief"
88:
76:
66:
58:
46:
36:
112:, whereas Twin Cams were counterbalanced only on
141:Harley-Davidson Milwaukee-Eight engine at the
116:models, where the engine was rigidly mounted.
8:
19:
274:: CS1 maint: numeric names: authors list (
251:"2018 Harley-Davidson CVO Road Glide Dyno"
25:
18:
185:
267:
20:Harley-Davidson Milwaukee-Eight Engine
31:The Milwaukee-Eight engine 117 (2019)
7:
193:Brasfield, Evans (23 August 2016).
94:81hp 107ci, 86hp 114ci @Rear Wheel.
129:Differences from the predecessor (
14:
289:Masker, Mark (24 August 2016).
120:107, 114, 117, and 121 engines
1:
391:
24:
375:Harley-Davidson engines
220:"2018 CVO STREET GLIDE"
226:. 2018. Archived from
145:
143:Harley-Davidson Museum
105:Milwaukee-Eight engine
140:
230:on February 22, 2018
299:Bonnier Corporation
21:
255:www.cycleworld.com
146:
16:Type of motorcycle
98:
97:
382:
359:
358:
356:
355:
341:
335:
334:
332:
331:
316:
310:
309:
307:
305:
286:
280:
279:
273:
265:
263:
261:
246:
240:
239:
237:
235:
216:
210:
209:
207:
205:
190:
110:counterbalancers
29:
22:
390:
389:
385:
384:
383:
381:
380:
379:
365:
364:
363:
362:
353:
351:
343:
342:
338:
329:
327:
318:
317:
313:
303:
301:
288:
287:
283:
266:
259:
257:
248:
247:
243:
233:
231:
224:Harley-Davidson
218:
217:
213:
203:
201:
192:
191:
187:
182:
169:
155:
135:
122:
102:Harley-Davidson
53:Harley-Davidson
41:Harley-Davidson
32:
17:
12:
11:
5:
388:
386:
378:
377:
367:
366:
361:
360:
336:
324:Motorcycle.com
311:
281:
241:
211:
199:Motorcycle.com
184:
183:
181:
178:
168:
165:
154:
151:
134:
127:
121:
118:
96:
95:
92:
86:
85:
80:
74:
73:
68:
64:
63:
60:
56:
55:
50:
48:Parent company
44:
43:
38:
34:
33:
30:
15:
13:
10:
9:
6:
4:
3:
2:
387:
376:
373:
372:
370:
350:
346:
340:
337:
325:
321:
315:
312:
300:
296:
292:
285:
282:
277:
271:
256:
252:
245:
242:
229:
225:
221:
215:
212:
200:
196:
189:
186:
179:
177:
175:
174:
166:
164:
161:
152:
150:
144:
139:
132:
128:
126:
119:
117:
115:
111:
106:
103:
93:
91:
87:
84:
83:Radial V-Twin
81:
79:
75:
72:
69:
65:
61:
57:
54:
51:
49:
45:
42:
39:
35:
28:
23:
352:. Retrieved
348:
339:
328:. Retrieved
326:. 2016-09-05
323:
314:
302:. Retrieved
294:
284:
258:. Retrieved
254:
244:
234:February 21,
232:. Retrieved
228:the original
214:
202:. Retrieved
198:
188:
171:
170:
156:
153:Improvements
147:
123:
104:
99:
37:Manufacturer
349:Cycle World
304:8 September
204:8 September
173:Cycle World
160:exhaust gas
67:Predecessor
354:2017-05-04
330:2017-05-03
180:References
62:Since 2017
59:Production
260:March 23,
167:Reception
369:Category
295:Hot Bike
270:cite web
131:Twin Cam
71:Twin Cam
114:Softail
90:Power
78:Class
306:2016
276:link
262:2018
236:2018
206:2016
100:The
371::
347:.
322:.
297:.
293:.
272:}}
268:{{
253:.
222:.
197:.
357:.
333:.
308:.
278:)
264:.
238:.
208:.
133:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
