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Questions tagged [harley-davidson]

An American Motorcycle Brand

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2
votes
2answers
378 views

Battery or what?

A few years back I picked up a 1989 Harley Davidson Sportster. I t was originally an 883, then the previous owner put in a 1200 cc motor. He threw a rod, so he said and had to have the cylinders bored ...
1
vote
1answer
51 views

Found the cause of a metallic rattle/scrape from the rear - how urgent is this?

Yesterday and today I noticed a strange scraping noise from the rear of my Ultra Limited, and was thinking grit in the brake, or possibly a bearing going as every time I looked there was nothing. Then ...
10
votes
2answers
2k views

Harley Davidson clattering noise from engine, backfire and failure to start

Harleys are notorious for valve noise or clicking from exhaust, so when my 2011 Ultra with 110 Screamin' Eagle started clattering a bit more than usual I didn't worry too much, but then a few miles ...
0
votes
1answer
20 views

Harley Davidson - Street Bob 2016 - increased starting time

After some spring-rides, I've noticed that my Street Bob needs more time to get started (especially when the engine is cold). Despite the fact that the bike: was stored in a very dry and warm place ...
1
vote
1answer
30 views

2014 HARLEY ULTRA EXHAUST UPGRADES

I'm helping a buddy. He has a 2014 Harley Ultra Classic with a high output 103. It has 23k miles, Vance & Hines Short Slashes, Vance & Hines Heavy Sucker air filter, and Vance & Hines Fuel ...
1
vote
5answers
138 views

Sounds like I go into neutral when accelerating

I have a 2016 harley street 500. In any of the gears after I add more throttle half way through I wont advance as much and it just sounds like I'm in neutral. This is my first bike and I'm not quite ...
0
votes
1answer
37 views

Two stroke engine stalls during incle

Sir I have 1967 two stroke Harley Davidson golf cart. It runs great on level ground but when I try to go up a incline hill it wants to stall and it only makes it up the hill using the choke. I changed ...
2
votes
1answer
551 views

2006 Harley Davidson bogs down when I attempt to ride or accelerate

I just finished installing a new clutch, and cleaning the carb and I took apart the front jug. I’ve put it all back together and adjusted the clutch, that works properly, and check for compression and ...
8
votes
5answers
5k views

Running Harley for 100 miles with no oil

The bike just had the oil change, however they forgot to put the oil back into motor. I left on a trip and rode 124 miles before any issues. I starting hearing this loud, loud noise from motor and I ...
0
votes
1answer
64 views

need a diode to put in when installing new wiring

need a diode for a Harley three wheel police bike. don't know any specs but is a 12 volt alternator system. diode goes between gen. and oil press. lights and the regulator. Harley no. 74559-65 is not ...
1
vote
0answers
224 views

USB-charger installed nearby Harley-Davidson Engine

I recently asked my mechanic whether it's a good idea to install an USB-charger on the left (hot-running) engine-side of a Harley-Davidson Street Bob 2016 (103 ci)? There are USB-chargers that can ...
3
votes
1answer
6k views

Harley Davidson: Can the engine be damaged by too much oil? [duplicate]

The question is particularly concerned with a Harley Davidson Dyna Street Bob Special 2016(103 ci). Before winter season I did all recommended tips to store my bike during the winter, oil change ...
2
votes
0answers
105 views

When I shut the bike down there is horrible fuel smell

2003 Harley-Davidson FXDL. After I shut it off, I get this horrible fuel smell. The bike has Mikuni 42 carburetor, Pingel shutoff valve, carburetor rebuilt, Pingel holding strong. I do not have the ...
20
votes
5answers
22k views

Why do Harley Davidson engines suffer from such poor performance?

The modern Harley Davidson engine has very poor power output. Even when highly modified a 130HP engine can cost tens of thousands of US Dollars. Here are specs on one of the modern engines. Harley-...
3
votes
1answer
1k views

Valve Adjustment - 1975 Harley Davidson Ironhead

On Harley Davidson Ironhead motor (1975 XLCH), how do I adjust the valves? I seem to remember a mechanism in the bottom end but....I can't recall.
3
votes
0answers
116 views

Terminator 2 1990 Harley Davidson Fatboy FLSTF technical information [closed]

I am doing a project for class about the Harley Davidson Fatboy, and I need to find the values for the spring constant of the bike used in Terminator 2, and whether or not it used a custom suspension. ...
3
votes
1answer
564 views

Big motorcycles at stop lights; why do they keep blipping the throttle?

We've all been near a big Harley at a stop light, where the rider keeps blipping the throttle. I've always wondered why they do this. Is it because those big pistons don't idle very well, and if you ...
4
votes
1answer
45 views

Do I have to change the chaincase lubricant when adjusting the clutch during routine maintenance? 2015 HD Road King

I am completely new to motorcycle maintenance, but need to adjust my clutch. I have watched a demonstration video for a similar model (I think) - but couldn't find an exact match. Since I will be ...
1
vote
0answers
72 views

BDL primary driver inner plate install [closed]

I am for the first time ever, in the process of installing a replacement Ultima 6 speed transmission with the same make and model on my 1994 Harley Davidson softail custom trike conversion. It has a ...