To start a motorcycle that has been sitting, you’ll first need to charge/change the battery. Next you’ll need to change the oil, replace the gas, and examine the carburetor and jets to make sure they’re not clogged. After these have been checked, you can attempt to start the motorcycle.
What happens if you let a motorcycle sit too long?
If unused, over time your motorcycle battery will drain. There is a phenomenon called “parasitic drain” where the motorcycle computers and poorly grounded wires cause slight discharge. … If you let your motorcycle sit for long periods of time, this will completely drain the battery.
How do you revive an engine that has been sitting?
Steps to take before starting a dormant vehicle
- Replace the engine oil with fresh, new oil.
- Change out the oil filter for a new one.
- Remove and replace the transmission fluid.
- Install a new battery.
- Flush the radiator and replace coolants.
- Replace the brake fluid.
- Add new power steering fluid.
How long can a motorcycle sit without starting?
Unstabilized gas in a motorcycle can start going bad in about 30 days, especially when it is not being used. The exposure to oxygen eventually changes the chemistry of gas which can lead to gum and varnish deposits. Gas should not be used if it has been sitting for longer than 6 months.