Harley transmission clunk. And the clunk is normal. Does your Harley-Davidso...

Harley transmission clunk. And the clunk is normal. Does your Harley-Davidson motorcycle make a loud clunk sound when you shift it into first gear from neutral? Don't worry. Harley Davidson motorcycles make a loud clunking noise when shifting into gear because they have dog ring gearboxes instead of a synchromesh ring. Feb 26, 2013 · Both my 11 street glide and wifes 02 heritage seem to clunk hard when shifting into 1st at stop. It'll still clunk when you knock it in gear. If problems persist, consider professional help. Clutch adjustment, primary oil level or condition would be the likely causes - just like the cold-into-first clunk. Mar 18, 2025 · Notice any grinding, clunking, or whining noises that may indicate transmission problems. It probably does wear, but not enough to matter over the life of the bike. the only “solution” is to change the design of the transmission. It's good stuff - a very high quality synthetic lubricant - but, it isn't magic. Or even show me where 80w90 gear oil is wet clutch compatible. it looked like the belt moved a little and there appeared to be a "clunk" from the primary area. The clunking noise that a Harley makes when shifting into gear is normal, but the clunking can be exasperated in cold weather or by a too high idle speed. Oct 8, 2016 · Show me anywhere Harley says 80w90 gear oil is acceptable for a Sportster transmission. Thanx Talking about the classic harley davidson first gear clunk !!! Transmission Design: Harley-Davidson motorcycles typically use a manual transmission with a traditional "constant mesh" design. Redline does quieten the transmission - especially the gear whine at speed. May 5, 2007 · Harley has loud clunk when shifting Jump to Latest 48K views 47 replies 20 participants last post by Rebeldog1 Jun 7, 2015 5 May 9, 2023 · The clunking only happens when engine is under load, in any gear, but goes away when engaging the clutch. When shifting, the rider disengages one gear and engages the next. The belt didn't move a lot but the clunk was definite. Would using 75-140 synth in trans help? Some seem to be doing this with good results but would like more comments before trying it. They aren’t grinding back and forth against each other like a compensator. . From conducting focus group studies with their customers, Harley Davidson as a company came to an understanding that Harley riders love hearing the loud clunk when shifting the transmission to first gear. Harley-Davidson motorcycles are designed to make a loud clunk noise when Harley motorcycles produce clunky sounds when shifting gears due to being fitted with Dog Ring gearboxes and large-diameter gears. It clunks and rocks the bike almost like a there’s teeth missing off a sprocket. It's from the Harley's dog ring gearbox design, which differs from the mesh systems used on many other motorcycles. Nov 8, 2025 · Are you a new owner of a Harley-Davidson motorcycle and worried about a clunk sound when shifting gears? Don't worry, yet, here are some reasons it's happening. Oct 8, 2013 · It's a good solid transmission. Feb 12, 2010 · I agree with Hogbag, transmission clunking is more likely caused from clutch not disengaging properly than from the gearbox itself. I tried it. Feb 7, 2011 · As he was tightening up my drive belt he mentioned there appeared to be too much "play" between in the transmission. Much love and discussions is given to engines, but did you know transmissions need love as well? In this article we'll discuss signs and symptoms of transmission problems in your Harley Davidson Touring model. It’s just two pieces of steel smacking together. He could pull the belt back and forth and recreate this clunk. The gears have to match engine speed instantly, so you hear that clunk. With a heel shifter, all of your shifts are downward and wont scuff the top of you shoe/boot. Nov 23, 2023 · Harley transmissions are not synchronizing. Pay attention to how smoothly the bike shifts between gears and if there are any delays or jerks in power delivery. We all start out with just a toe shifter. May 21, 2013 · If you are not happy with the clunk, you aren't going to be any happier using Redline. He would grab the belt and push forward. The clunking sound is caused by the engagement of the new gear. Read this article to learn why Harley motorcycles clunk when shifting gears. Jun 7, 2025 · Answer: To fix a Harley-Davidson transmission, check the clutch adjustment, inspect the shifter linkage, and change the transmission fluid. My Heritage has the heel shifter and it took a while to appreciate it. Different from 35 years ago though. Spectro, Royal Purple and Amsoil are mentioned as solutions. May 19, 2020 · You can eliminate much of the clunk when putting into 1st gear by holding in the clutch for a few extra seconds, rocking it back and forth with the clutch pulled in helps too. It will still clunk. i The mechanic finally Feb 1, 2016 · Harley Davidson Touring: Transmission Diagnostic Guide Next to your engine, the transmission is the most important part of your drivetrain. Aug 3, 2022 · When shifting into gear from neutral, your Harley most likely makes a loud clunking noise. In this design, the gears are always engaged but are not locked together. Nov 8, 2025 · In fact, most of the time, that sound is completely normal. vnm isq gbj eig rrb cdl hwn fgr umf mtt byq pmz ymg pbf lbw