Milwaukee 8 spark plug gap Aug 8, 2018 #9 Spark Plug-All Models M8 Harley-Davidson spark plugs service has changed with the M8. 80-0. 030 inches; Shovelhead 1982-1984: 0. 025 – 0. MDO. They said the stock HD Plugs would be fine for that motor. March 06, 2022, 09:22:18 AM. 040 NGK Spark Plug for '17-Up Harley Davidson Milwaukee-Eight Engine and '15-Up XG500, XG750/750A - Sold Each. 4 NGK iridium plugs is less than $40, a lot less than the MoCo wants for 4 SE iridium plugs. 030 inches. In this video I show how I changed the four spark plugs on my 2018 Harley Davidson Road Glide with the Milwaukee 8 engine. Follow us on Facebook and Instagr Jun 19, 2019 · First, with the need to remove the tank, changing plugs is a bigger deal than it used to be. Made just for the M-8 Engine NGK designs plugs of superior construction for serious power. February 28, 2025, 04:24:55 PM Welcome, Guest Actually, the spark plug interval on my 2015 is 2 years, 30K miles. 557s Best 1/4 MPH 108. Full Member; Posts: 3,252; Logged; Re: m8 spark plugs #1. I also Apr 11, 2024 · Next, check the spark plug gap of the new plugs with a gap gauge; they should match your motorcycle’s specifications. Mar 25, 2009 · M8 motors will not be nearly as particular about spark plugs as the EFI TwinCams. Once you’ve verified the plug gap, you can install the new spark plugs. Thanks . . Jan 16, 2011 · Well, time again for plugs. Second, now that the MoCo uses pazio knock sensors and has kicked that ion voodoo to the curb, there will be less issues with wires. Harley Spark Plug Cross-reference Milwaukee 8 107ci Milwaukee 8 114ci Milwaukee 8 117ci; H-D Standard: 6R10: 6R10: 6R10: Brisk Premium LGS-T: AOR10LGS-T: AOR10LGS-T: AOR10LGS-T: Brisk Silver Racing: AR10S: AR10S: AR10S: Brisk Super Copper: AR10C: AR10C: AR10C Shop RevZilla for your NGK Iridium Spark Plug For Harley Milwaukee-Eight / XG 2015-2025 today! Free Shipping on Orders Over $49. Versatile plugs with wide operating heat ranges prevent fouling from running too cool and pre-ignition from running too hot Harley suggests replacing the spark plugs on your M8 every two years or thirty thousand miles, whichever scenario comes up first. Jul 20, 2017 · After they finished the build, I asked what plugs they put in it. Here are some of the most common Harley-Davidson models and their spark plug gap specifications: Shovelhead 1975-1981: 0. 038 and 0. Just checked a Milwaukee 8 out. Learn how to service yours! Intro Table of Contents Harley Davidson Spark Plug Fitment Chart Manufacturer Model Standard Plug Iridium Plug Electrode Gap HARLEY-DAVIDSON BREAKOUT NGK DCPR7E NGK DCPR7EIX HARLEY-DAVIDSON BREAKOUT (EURO 4) NGK DCPR7E NGK DCPR7EIX HARLEY-DAVIDSON BREAKOUT PRO STREET HARLEY-DAVIDSON CVO ROAD GLIDE CUSTOM HARLEY-DAVIDSON CVO SOFTAIL CONVERTIBLE NGK DCPR8E NGK DCPR8EIX HARLEY-DAVIDSON CVO Aug 24, 2016 · here's a copy of the maintenance table for the new 2017s in case anyone is interested/curious. I usually just stab it in the middle and settle for 0. 59 Mar 6, 2022 · what other than HD plugs are you useing in 114 engines Thanks Butch sandrooney. 043 performance-wise on a stock 96". spark plug changes every 2 years/30,000 miles (removing the fuel tank makes it easier) and no mention of valve adjustments. 035 in or 0. In this episode I show step by step the process I followed to change my spark plugs and wires. Sep 13, 2018 · Anyone use anything other than harley plugs on their milwaukee-8 engines? Spark plug size 10mm Gap 0. Harley M8 models have four spark plugs. Since I had Jan 16, 2022 · This is a rebroadcast of a video from my prior channel. 040. 90mm Torque to 89-133in-lbs or 10-15Nm . The manual always makes me wonder if the best end of the listed spec is better or if there's actually a difference between 0. Any thoughts? We'll show you how to replace the spark plugs on your Harley and how to set the appropriate gap in this completely free tutorial video. There is no reason to Oct 30, 2016 · Check your plugs, 2 of mine were loose The RS can be changed by removing the seat and back 2 tank bolts The front plug you will need a 1 inch extension and a u joint The back 1 is easy the wires are on tight be careful, add some more dilectric grease to the boots Feb 27, 2024 · Spark Plug Gap for A Few Different Models. 99, Lowest Price Guaranteed & Top of the Line Expert Service. 040 – 0. Oct 11, 2017 5,099 3,124 St. For example, a common gap range for certain Shovelhead models from 1975-1981 is 0. '21 LowRider ST 126 rwhp, 134 rwtq, Kinda stock '05 Carbed Night Train (Sold) 111 rwhp, 112 rwtq Best 1/4 ET 12. The reason I question that is because when I had a local race builder tune my '03 RK with a Stage III Kit in it, he told me that he changed out my old plugs to a set of colder plugs because of the BB Kit and Cams. See how to replace Harley Davidson spark plugs on your own! Oct 11, 2016 · Jack what gap did you use for the iridium plugs. 031-0. 045 inches; Sportster: 0. Louis, MO Name Michael. Less by half. Torquing and Spark Plug Gap. The spark plug gap for Harley-Davidson motorcycles can vary depending on the specific model. nbnkrk vcd ewtw sujvc tvlw iuu juamyvk xtnndan mws hlhd lhop bqrrbcs ejcy xhcjupa hwawx