20 Most Recent 2003 kawasaki VN 800 A Vulcan Questions & Answers


Hi, Anonymous for this scenario you will need your service manual that has all fastener torque specs and a wiring diagram on the back pages, parts fiche, and owners manual if you can't find the best tool you ever bought for your Kawasaki, despair not, for a mere zero $0 you can download another one.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
Starting System Problem Kawasaki Vulcan Forum Vulcan Forums Why is my Kawasaki VN800 Classic not starting
KAWASAKI VN800 Service Manual
OEM Parts for Kawasaki
2003 Kawasaki Vulcan 800 Owner Manual

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

2003 kawasaki VN... | Answered on Mar 17, 2018


Hi, Anonymous for this scenario you will need your service manual that has all fastener torque specs and a wiring diagram on the back pages, parts fiche, and owners manual if you can't find the best tool you ever bought for your Kawasaki, despair not, for a mere zero $0 you can download another one.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
2003 Kawasaki VN 800 Vulcan fuse box location Google Search
Fuse Box Location
KAWASAKI VN800 Service Manual
OEM Parts for Kawasaki
2003 Kawasaki Vulcan 800 Owner Manual

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

2003 kawasaki VN... | Answered on Mar 17, 2018


Hi, Ezlyn if you have changed your engine size, compression ratio, fuel delivery system, air filter size or flow rate, mufflers or exhaust system or a significant change in altitude your carburetors need re-tuning and if your fuel system (gas tank, filters, fuel valve, and carburetor) is contaminated with ethanol sludge, varnish, rust, dirt, water etc. or your bike has been sitting for months or years without running these components must be "PROPERLY" cleaned and reassembled "CORRECTLY" before any adjustments can be made. Tuning your carburetor is fairly simple once you understand the basic principals. You engine is a simple airbox sucking air in and blowing it out, it is finely tuned at the factory for maximum performance once you upset that delicate balance by changing air filters, camshafts or exhaust systems your performance may go down the and the engine may run poorly, you need to compensate the air-fuel mixture in the carburetor in order for the engine to run smoothly and at peak performance. If you are running multi carburetors you need to sync them first and make sure your air cleaner element is clean and dry for paper elements or lightly oiled for foam and meshed elements and properly installed. Here is how and where you compensate trouble: "TIP" if your engine "BOGS" you're not getting enough fuel.
1. Close to 1/8 throttle is managed by the air screw and pilot/slow jet.
2. 1/8 to 1/4 throttle is managed by the air-screw, pilot/slow jet, and throttle slide.
3. 1/4 to 1/2 throttle is managed by the throttle slide and jet needle.
4. 1/2 to 3/4 throttle is managed by the jet needle, needle jet, main jet, and air jet.
5. 3/4 to wide open throttle is managed by the main jet and air jet.
6. A wide open throttle is managed by the main jet.
If you are running lean, spark plug electrode color is white, engine runs hot and feels like it is starving for fuel you need to go up on the jet size or move the c-clip down one notch. If you are running rich, spark plug color is black or dark gray, the engine runs cool, and bogs down when accelerating you need to go down on jet size or move the c-clip up one notch. When your carburetor is properly tuned for maximum performance your spark plug electrode will be a light tan color like coffee with cream. If you prefer fuel economy over performance you can go down on main jet sizes until a satisfactory level of lower performance is acceptable versus MPH, your spark plug color will be whiter and your engine will run warmer. These tuning adjustments will only make improvements if your intake and exhaust system have no air leaks or sealing issues and the entire electrical system is in proper working order and you have no mechanical issues.
For more information about your issue and valuable "FREE" downloads that you will need for viewing and printing please click on the blue links below. Good luck and have a wonderful day.
Engine misfires on acceleration
Carburator Theory and Tuning
KAWASAKI VN800 Service Manual
OEM Parts for Kawasaki
2003 Kawasaki Vulcan 800 Owner Manual

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

2003 kawasaki VN... | Answered on Mar 17, 2018


Hi, Anonymous for this scenario you will need your service manual that has all fastener torque specs and a wiring diagram on the back pages, parts fiche, and owners manual if you can't find the best tool you ever bought for your Kawasaki, despair not, for a mere zero $0 you can download another one.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
2003 Kawasaki VN 800 Vulcan timing marks location Google Search
Vulcan 1500 Classic setting the timing part 1
KAWASAKI VN800 Service Manual
OEM Parts for Kawasaki
2003 Kawasaki Vulcan 800 Owner Manual

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e


2003 kawasaki VN... | Answered on Mar 16, 2018


valve clearances ever been checked??

2003 kawasaki VN... | Answered on Jul 10, 2017


Some locksmiths can do this, otherwise I do believe its a whole new cap assembly. Hope that helps!

2003 kawasaki VN... | Answered on Apr 27, 2014


on the side of the bike there should be a glass like quater sized hole , right next to the motorcycles engine , if you hold the bike upright you should see the level of oil.

2003 kawasaki VN... | Answered on Apr 09, 2013


According to the Kawasaki site you should use SE class SAE 10W40, 10W50, 20W40 or 20W50 oil for the engine. You use SAE 10W oil for the front fork.

2003 kawasaki VN... | Answered on Nov 26, 2011


the stock vulcan 800a comes with a 80/90-21, the first number is the width in mm, and the second number is the side wall ratio compared to height, the third number is the rim size. ex. the tire is 80mm wide and 90% as tall or 72mm on a 21" rim. So if you are going wider I would measure the distance between the forks in mm and go from there.

2003 kawasaki VN... | Answered on Nov 26, 2011


it is best to have the carb. jets changed for better perform. it my help the pipes from bluing also.you can go on line AT J AND P CYCLES .COM THEY MAY CAN TELL YOU WHAT SIZE JETS YOU NEED NOT SURE.

2003 kawasaki VN... | Answered on Aug 19, 2011


i know the owners manual says sae 10w 40, but i found valvoline motorcycle oil at wal-mart for about $4.00 a quart works really well, it has the additives for all twin and wet clutch. they have it in several viscositys available.

2003 kawasaki VN... | Answered on Aug 18, 2011


not enough details provided. check the sparkling plug and check if the wires from the ignition are properly plugged.

2003 kawasaki VN... | Answered on Feb 28, 2011


If you are asking for tire pressure, use FR30-RR32 psi w/o passenger or put FR32-RR36psi if riding with pillion.

2003 kawasaki VN... | Answered on Apr 15, 2010


Hi, Jose your instrument gauges and lights can alert you to most electrical and engine issues they can not warn you about failed engine gaskets or seals so your engine has to resort to old fashion alert methods of colored "SMOKE SIGNALS" here is a breakdown of their meaning:
1. COLORLESS OR SLIGHTLY BLUE SMOKE on start-up means your air/fuel mixture is at the right composition and everything is well burnt in your combustion chamber.
2. BLUE SMOKE on start-up is usually caused by failed valve seals dripping oil into the combustion chamber when the engine is not running.
3. YELLOW OR BROWNISH SMOKE at start-up means your air/fuel mixture is too lean. Too lean means that there is low fuel but high air mixture in your combustion chamber.
4. WHITE SMOKE on start-up may be caused by a blown head gasket allowing coolant to enter the combustion chamber and may start dripping out of the exhaust pipes or mufflers. Smoke while riding is usually caused by worn out or damaged valves, seals, guides, pistons, rings, or cylinder walls.
5. BLACK SMOKE on start-up is usually caused by too much fuel in the combustion chamber this can be due to air/fuel mixture adjustment too rich, accelerator pump improperly adjusted, faulty choke/enrichner or not in the off position, air filter dirty and clogged, faulty carburetor float needle and seat, pilot jet too large, fuel injectors leaking, smoke while riding is usually caused by the main jet being too large or a damaged carburetor.
It should be noted that aggressive or abnormal throttle operation will cause these conditions to manifest themselves exponentially.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
Running way to Rich
Black smoke from the exhaust
KAWASAKI VN800 Service Manual
OEM Parts for Kawasaki
Kawasaki VN800 Owner Manual

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

kawasaki VN 800... | Answered on Mar 05, 2017


I just found the parts diagram for the 800A2 on http://www.kawasaki.com/Parts/PartsDiagram/29169/1996/VN800-A2. I hope this is enough for what you need. Good luck and happy riding.

kawasaki VN 800... | Answered on May 17, 2015


NO ! Prime is as it says , to prime fuel ! On or reserve is correct !!

kawasaki VN 800... | Answered on Feb 01, 2014


thats a saftey feature on meny import bikes

kawasaki VN 800... | Answered on Aug 14, 2012


There are a lot of differences between fuel injection and carbs.
the intake ports on the head may be different( another head required)
wiring loom is different, and will need the fuel injection computer
exhaust can be different
air box can be different
throttle cables can be different
fuel tank is different, and fuel pump
and a few more things I havent thought of.
Not certain if there is any commercial kit available.
Any thing is possible, but you would need to weigh up if its viable, and economical.
If you could find a similar injected model and swap all these parts you would have a slight chance of converting

kawasaki VN 800... | Answered on Aug 08, 2011


if its a 2 stroke then you need fuel spark and air to get the bike to start have you got compression? check it by removing the spark plug and put your finger over the hole air try and start the bike your finger should be pulled into the hole if not then a piston ring is either cracked or broken

open the air box and check the filter then clean the carb thats all you need for a 2 stroke

if its a 4 stroke then again check the air filter and compression remember that a 4 stroke doesnt have the oil with the fuel it goes in a separate chamber

hope this helps


John

kawasaki VN 800... | Answered on Jul 06, 2011

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