2011年9月9日 · In a FI bike the fuel flow/pressure is not effected by engine RPM. It is a constant speed electric pump that is cycled on and off by a fuel pressure regulator. The regulator is between the pump and the filter. If your filter was pluged you would not get a FI light because the regulator would see a normal funtioning pump and pressure.

2008年4月5日 · The Vulcan cruisers are cruisers though.... there's only so much you're going to get out of it before it blows up. You'll need a Power Commander to remap the fuel curve, and with a turbo it's definitely going to take a custom map from …

2013年11月7日 · Based on the condition of my plugs, pistons and cylinder head during my tear-down for transmission replacement I concluded that the engine was running way too rich. This was somewhat supported by the poor gas mileage, around 30mpg. A PO replaced the exhaust system with V&H's, so I expected it to be running leaner.

2004年10月18日 · EPA regs really restrict 1500 air intake. I don't believe this would require any jet/efi changes. I had no probs on my 1600 before going the full Thunder route.

2016年5月17日 · I was wondering if going up a jet size or 2 might give more power. Bike is very powerful low and mid range but power falls off in upper revs. Bike is 100% stock 1500 classic with 45/138 jets and 2 turns out on the mix screw.

2017年7月11日 · I have ran it with the right side dog bowl off and also checked the air filter, and it appears to be clean. The only thing I have found that changes the idle is when I take one of both of the hoses off of the idle speed control valves that are inside the right air cleaner cover.

2013年5月17日 · I know the Vulcan is a notoriously noisy engine but I'm not sure if this is a normal one. At first I thought it was the wind noise together with the open long shot pipes playing tricks on my ears. When I first noticed it I would tuck up close to the windshield to get the wind out of my ears and all I could hear was the normal valvetrain sounds.

2011年11月25日 · Remove all of the air cleaner plumbing from both sides of the engine. replace with air box such as hypercharger, hi-5, or barons big air. remove the reed valves and block the air hose spigots and cover the ports with coasters. fit either a TFi or power commander fuel module (depends on thickness of wallet).

2007年2月12日 · Here is the first dyno run on my 1500, I'll see if I can find the second one and post it too. This is with Vance and Hines Straightshots pipes and a jetkit with stock airbox w/K&N Filter. the stock numbers include the pipes as I installed them myself the day before.

Enough power to haul two people easily. Interstate driving is smooth and controlled. Mustang seats help with comfort, but wind noise is high around the windshield.