I HAVE A 100CC YAMAHA DIRT BIKE MODEL CODE yam3ul0097 i need to know what year it is

That is the model number for a 1990's Yamaha RT 100A - 100cc Dirt Bike.

https://www.google.com/search?q=YAM3UL0097

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Depends on the part. Lots of maintenance parts are available for older Yamaha units but no dealer is going to stock them waiting for someone to walk in the door looking for 35 year old parts for everything Yamaha ever made. That's what the big Yamaha warehouses are for. Call your local dealer or try Rock River Powersports in Wisconsin, they run Yamaha's MX racing program. If they can't get it, it's not available.

I just ran the VIN on the Yamaha dealer system and it came back as invalid. Can you double check it?

The paint code is on the manufacturers sticker, most likely on the front section of your bikes frame, and usually on the steering head down tube. If not, check the swing arm. It is probably Pearl White...

Hello Graham...your bike does have a very unique paint color.

In 1990 - Yamaha called this "Shiny Black" which is actually black with blue metal flake in it.
The code number (if any) was usually on a small white sticker up by the steering head, or in the orginal owners manual. I hope this helps.

If that is all your vin number has to offer, it doesn't follow the rules of street bike vin numbers, usually, the first letters are a code, then the first digit is street or dirt, 2nd is model, 3rd is a letter for liquid or air, 4th is engine size, 5th is HP, 6th is check digit, 7th is year, the 8th should be a letter for the city of manuf.and finally the series number. All these digits are codes, you can look them up on line. Hope this helps.

See It Depends from bike to bike there are so many of the yamaha motorcyles available in the market well the problem does not specify the model of the bike still i will try to help you out see it acctually depends upon the capacity of the engine the {cc} more the capacity bigger is the oil tank ,bigger the fuel tank.. FOR A 100cc BIKE OIL TANK IS ABOUT 970ml 1l APPROX and the FUEL TANK IS ABOUT 14 litres FOR A 200-350cc BIKE OIL TANK IS ABOUT 1.2l AND FUEL TANK IS 20LITRES FOR A BIKE ABOVE 350cc OIL TANK IS 1.5l AND FUEL TANK AGAIN RANGES ON THE CAPACITY OF THE ENGINE IN PROPORTION TO THE OIL TANK,FUEL TANK
hope this solves some of you problem ..

Should be stamped on the neck of your motorcycle or on the left hand side lower rail. Look on the neck, right side, under the dirt.

Where is the neck? It is the place where the front wheel assembly is fastened to the rest of the motorcycle.

Thanks for your interest in FixYa.com

Any Kawasaki dealer can look up the code and tell you what year and model your bike is. The parts department usually is the one with the codes. Give them a phone call. Once you know the year and model, the following site MIGHT have a free service manual PDF download. http://www.carlsalter.com/motorcycle-manuals.asp Most manuals are in English but some are not. There is no way to be sure without doing the download. You can always delete it if in a foreign language. Another site is available for viewing only but is limited to parts diagrams w/ part numbers and prices.

Go to the site below and you can see the parts diagram. Yes, I know the link says Yamaha. You will select the brand, year, model, etc...

http://www.babbittsonline.com/pages/parts/viewbybrand/1/Yamaha.aspx

usually on the front fork area where the forks pivot there should be a manufacter sticker with the brand and year and most times the size also. Just a guess but my bikes have them.