Vin #ct1-027905 what is the year and model? - 2008 Yamaha Yamaha G5

Are you sure this is the VIN number? A motorcycle VIN has 17 digits in it so the number you have isn't long enough and should contain more letters. The VIN is stamped on the right hand side of the steering tube that the pivot for the forks goes through.
The 10th digit letter is the year code for that bike.
*Note* The date given is the date of manufacture NOT the date it was first registered for road use. Another issue is that anything before 1980 may not have a date letter.
You can sometimes get a general idea of the bikes age by how it actually looks. The styling has changed over the years so that might give you an idea of which generation it is.

This site has the answer to get you youe year model using the vin #.
https://goneoutdoors.com/do-honda-atv-vin-number-7241654.html

For automotive applications, the tenth digit is the code for year of manufacture, but automotive VINs are 17 characters in length. At the link, it states that 13 character VINs for John Deere are not coded for year of manufacture. You may have to check with your John Deere dealer for help.
How to Read John Deere VIN

Ok, no problem. Copy down your VIN number and go to a decoding site.
A Vehicle Identification Number (VIN) is the string of 17 numbers and letters that an automobile manufacturer assigns to an individual vehicle. The VIN can reveal a number of things about a car, including its airbag type, country of origin, engine size, model year and trim level. The VIN also is key to car safety. By entering a VIN in the National Highway Traffic Safety Administration's free VIN Look-up Tool, you can see whether a vehicle is subject to a recall. Typically, the VIN is stamped into a plate that's mounted on the dashboard near the windshield or on the driver-side door jamb. It's also stamped on the engine's firewall.

Are you sure that is the VIN number?
There are not enough digits to be a VIN number.

Is this a newer model or a vintage Vespa?

What is the VESPA Model?

The vin number is the model year. If the door tag says manufactured in '06, usually given as month and year, would be actually manufactured in late '06 as an '07 model car. Actual date of manufacture is often important in ordering parts, as modifications can occur during that model year's production run.

I ran your VIN through Motoverse...
VIN: 5HD1FRW135Y700148
World region: North America
Manufactured in: USA
Year: 2005
Make:
Harley-davidson
Model:
FLHRCI = Touring Road King
Body style:
Road / Street
Drive type:
RWD
Cylinders:
2 Cylinders
Engine type:
Fuel-injected Big twin

Go to carfaxDOTcom and enter the vin number in Start Your Search box and it will tell you what year car the vin belongs to.

A.T., VIN model "C" (4x2), TH400, 6 cyl
A.T., VIN model "C" (4x2), TH400, 8 cyl, 8-305 (5.0L)
}A}}400}466495" type="radio" name="userInterchange" />A.T., VIN model "C" (4x2), TH400, 8 cyl, 8-350 (5.7L)
}A}}400}466496" type="radio" name="userInterchange" />A.T., VIN model "C" (4x2), TH400, 8 cyl, 8-379 (6.2L, diesel)
E>}B}}400}466497" type="radio" name="userInterchange" />A.T., VIN model "C" (4x2), TH700, diesel
A.T., VIN model "K" (4x4), TH400, 6 cyl
B@}}}400}466499" type="radio" name="userInterchange" />A.T., VIN model "K" (4x4), TH400, 8 cyl, diesel
A.T., VIN model "K" (4x4), TH400, 8 cyl, gasoline
A.T., VIN model "K" (4x4), TH700, diesel
FFC}B}}400}466502" type="radio" name="userInterchange" />M.T., 4 spd, 4x2, VIN model "C"
FFC}A}}400}466503" type="radio" name="userInterchange" />M.T., 4 spd, 4x2, VIN model "R"
ECB}B}}400}466504" type="radio" name="userInterchange" />M.T., 4 spd, 4x4, (VIN model "K")
M.T., 5 spd, 4x2
M.T., 5 spd, 4x4
A.T., VIN model "C" (4x2), TH700, gasoline
F=A}B}}400}466508" type="radio" name="userInterchange" />A.T., VIN model "K" (4x4), TH700, gasoline
}B}}400}466509" type="radio" name="userInterchange" />A.T., VIN model "R" (4x2)

the vin x had less horsepower than the vin w. I think the vin x only came on the pickups. The w came in the blazers and was the full size truck v-6 option.

I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa