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You need the remove the front pulley assembly. The belt can be removed without taking off the driven pulley. Insert a belt case cover bolt into a hole in the outer sheave. The Kymco / Cyclepedia manual show the correct hole. Tighten the bolt to open the driven pulley. The belt needs to drop around 3/4 in. into the driven pulley. This will allow enough slack to remove the belt.

My X-Town cap is key operated.

The mircofiche frame I attached is for a 2021 and up. So, if the poster orders the cap he would likely need a key. Not sure if any locksmith could cut one. If not the poster would need to purchase the entire lock set. PN prefix #35010

In front of the handlebars, remove black cover which says KYMCO. Fuse box under.
CJS

If you plan to take the wheel/tire to an MC Shop or MC Accessory shop for them to patch, prepare to buy a new tire. Shops will not patch a tubeless MC tire as it is a liability and a risk that I would not take.

I don't see a P1110 code listed. You sure it's not P0110?
This list was lifted from the Kymco Service manual


Blinks   Failure Codes   Fault description   Priority   Fault management
1   P0217   Engine temperature overheat   1   1.Stop immediately and check CELP code.
2. Check if the engine temperature sensor or electric circuit is faulty.
3. Check engine lubrication and cooling systems.
4. Check engine ignition and fuel systems.
2   P0335   Crankshaft position sensor or circuit malfunction   2   1. Check if the crankshaft position sensor, its connector, or wiring is faulty.
2. Make sure the generator rotor is aligned with the crankshaft position sensor.
3   P1120   Throttle position sensor setting value problem   2   1.Check if the TPS connector or wiring is faulty.
2.Check if the TPS is adjusted.
4   P1121   Throttle position sensor output range problem   2   1. Make sure the TPS connector is connected correctly.
2. Inspect the TPS
Blinks   Failure Codes   Fault description   Priority   Fault management
5   P1122   Throttle position sensor movement speed problem   2   1. Make sure the TPS connector is connected correctly.
2. Inspect the TPS
6   P0560   Battery voltage malfunction   1   1. Check the battery voltage.
2. Inspect the charging system.
7   P0110   Intake air temperature circuit malfunction   2   Inspect the T-MAP sensor
8   P0410   Idle air valve circuit malfunction   2   1. Check if the ISC connector or wiring is faulty.
2. Check the resistance of the idle air valve.
9   P0505   Idle speed volume control range problem   3   1.Check the ISC steps range with the diagnostic tool.
2. Check throttle body for carbon deposits.
3. Check intake for air leaks
10   P0251   Injector or electric circuit problem   2   1. Make sure the fuel injector connector is connected correctly.
2. Check if the ECU sends a signal to the injector.
3. Check the power source and resistance of the injector.
4. Make sure the battery is fully charged and connected correctly.
Blinks   Failure Codes   Fault description   Priority   Fault management
11   P0350   Ignition coil or electric circuit malfunction   2   1. Make sure the ignition coil connector is connected correctly.
2. Check if the ECU sends a signal to the ignition coil.
3. Check the ignition coil power source and resistance.
4. Make sure the battery is fully charged and connected correctly.
12   P0230   Fuel pump relay or electric circuit malfunction   2   1. Make sure the relay and pump connectors are connected correctly.
2. Check if the ECU sends a signal to relay.
3. Check the fuel pump relay resistance
13   P0219   Engine speed has exceeded top speed   2   Check if the CVT belt is broken.
14   P1560   Sensor doesn’t receive power source from ECU   2   1. ECU output to each sensor should be 5 DCV.
2. Check if the power source for all sensors is 5 DCV.
3. Check for a problem in the wiring harness.
4. If the CELP still blinks replace the ECU with a new item even if the output power source of ECU is normal.
15   P0700   Engine starting speed exceed CVT speed limited   2   Not used.
16   P0115   Engine temperature sensor or electric circuit malfunction   2   1. Make sure the WTS connector is connected correctly.
2. Check if the ECU pin is broken.
3. Check if the resistance of the sensor is out of specification.
17   P1561   Temperature gauge electric circuit malfunction   2   Not used.
Blinks   Failure Codes   Fault description   Priority   Fault management
18   P0650   CELP electric circuit malfunction   3   1. Check if the CELP bulb is faulty.
2. Check the CELP wires for damage.
21   P0105   Atmospheric Pressure Sensor/Circuit Malfunction   2   1. Make sure the MAP sensor connector is connected correctly.
2. Check if the ECU pin is broken.
3. Check the sensor voltage.
4. Use Diagnostic Tool to check the pressure.
22   P0110   Roll sensor or electric circuit malfunction   2   1. Make sure the sensor is installed in the correct position.
2. Check the sensor voltage.
3. Check if the ECU pin is broken.

Kymco makes engines and drive trains for Kawasaki ATVs, BMW 400, Suzuki (e.g. Burgman), and even Polaris. My Kymco 100 engine appears in the Kawasaki KFX90.  The source for all these engines is Kymco.

Kymco doesn't build for Suzuki or Polaris. (Unless they come to an agreement within the past 4 years.) The Kaw. Brute force 300, KFX 50 & 90 ATV's are essentially Kymco MXU270/300, Mongoose 50 & 90's under the Kaw designed plastic. They also have a few mod's Kaw requested. The BMW 650 Scooters do use a BMW designed motor and drive which is built in Taiwan, along with the GS650 motor. Never heard of a 400 built by Kymco. There are others they do business with, Arctic Cat, Tracker, etc.
 

For a dealer to make full margin on the sale, which is MAYBE, 10 to 12%, they need to recoup the destination charge (freight) which is around $400.00, Set up Fee which includes receiving the crate, uncrating, disposal of said crate, Assembly of the unit, Battery service, fluids check, nut and bolt check, fuel, oil, cleaning, all which is part of the PDI (Pre Delivery Inspection). Then there is Tax, DMV and Documentation fee. It doesn't apply in your case but, sometimes a dealer will try to recoup any Flooring charges that they have paid to the flooring bank. Although, most dealers consider this a a cost of doing business but it does take away from the bottom line quickly. Usually, most distributors give the dealer a Free Flooring period before the bank begins to charge the dealer interest on the units on the floor. So, you need to ask yourself, How much money are you going to allow the dealer (and the commissioned salesperson) to make or lose?