About the Yamaha G2
The Yamaha G2 was produced and sold as a 1985 model and lasted until the 1992 model.
The electric model featured a 36V DC Motor powertrain. Yamaha G2 frames were made from tubular steel and feature a fully independent suspension.
The gasoline model featured a 4-stroke 285cc 8.5hp single-cylinder engine, which was said to be a copy of Yamaha’s motorcycle engines at the time.
Find Yamaha G2 Parts on Amazon
Yamaha G2 Serial Numbers
Where is the serial number located on a Yamaha G2?
Yamaha G2 Serial numbers can be found stamped into the frame crossmember, under the front bumper, or under the seat towards the front of the cart.
How do I tell what year Yamaha G2 golf cart I have?
You can easily identify the year of your Yamaha G2 by looking for it’s serial number:
| Year | G2 Electric Serial # | G2 Gas Serial # |
| 1991 | J56-200101 | J55-200101 |
| 1990 | J56-100101 | J55-100120 |
| 1989 | J56-000101 | J55-000101 |
| 1988 | JE2-000001 | JA2-000001 |
| 1988 | J41-053101 | J38-071101 |
| 1987 | J41-030101 | J38-020101 |
| 1986 | J41-016101 | J38-007101 |
| 1985 | J41-000101 | J38-000101 |
Yamaha G2 Replacement Battery Information
Yamaha G2 Gas Replacement 12V Auxiliary Battery Information
To start the vehicle and to power lights & accessories, the 1985-1991 Yamaha G2 Gasoline golf cart features a Group 24 12V battery.
Shop Group 24 Batteries on Amazon
Yamaha G2 Maintenance Schedule
Daily Maintenance
Yamaha recommends the following daily maintenance:
- Yamaha G2 Batteries should be recharged daily.
- With the cart off, check to ensure free movement and return of the accelerator pedal.
- Listen for the “click” sound of the solenoid making good contact
Test the brakes, steering and tire pressure before using the cart each day as well.
Weekly Maintenance
Every week, 3 hours of usage, or 5 rounds of golf, Yamaha recommends the following maintenance:
- Check the electrolyte level of the battery using a battery electrolyte tester
- At the same time, you should also check the tops and terminals of the batteries for corrosion.
- Use Battery Terminal Protector to prevent future corrosion
Monthly Maintenance
Every month, 10 hours of usage, or 20 rounds of golf, Yamaha recommends the following maintenance:
- Check around the wiring for loose or broken connections.
- Check the specific gravity of the electrolyte in the battery.
Bi-Annual Maintenance
Every 6 months, 60 hours of usage, or 125 rounds of golf, Yamaha recommends the following maintenance:
- Check the solenoid contacts on the starter
- Check all battery cables and wiring for cracks and worn spots
- Check the gearbox oil level and for leakage
- Capacity 0.85 US quarts of SAE 90 Gear Oil
- Check for wear or damage around the parking brake
- Check brake shoe lining thickness
- Replacement parts: Brake shoes and springs kit
Yearly Maintenance
Every year, 130 hours of usage, or 250 rounds of golf, Yamaha recommends the following maintenance:
- Do a general check on the tightness of all bolts and nuts.
- Capacity 0.85 US quarts of SAE 90 Gear Oil
- Check the chassis for signs of cracking and damage that may need to be welded.
- Adjust the brake wire end play to tighten up slack
- Check shock absorbers for oil leakage
- Check for play in the rear axle housing
- Check for play in the front wheel bearing
- Check tire groove depth, and for checking in the sidewalls
- Check play in the suspension kingpin
- Adjust your alignment
- 10-20mm or 0.4″ – 0.8″ of toe-in when the vehicle is unloaded
Ongoing Maintenance
Every 2 years, 250 hours of usage, or 500 rounds of golf, Yamaha recommends the following maintenance:
- Replace the gearbox oil
- Capacity 0.85 US quarts of SAE 90 Gear Oil
Every 4 years, 500 hours of usage, or 1000 rounds of golf, Yamaha recommends the following maintenance:
- Check gearbox for grease leakage
- 90cc engine takes 3.04 OZ of multi-type grease
- Note this engine does not feature an oil filter
- Check the brash and commutator of the traction motor
Join a Yamaha G2 Community
BuggiesGoneWild.com / Electric Yamaha – Electric Yamaha Golf Cars; G1 through “The Drive” and U-Max Utility Vehicles
YamahaForum.com / Golf Carts – Electric & Gas Yamaha Golf Cars discussions.
Reddit.com/r/GolfCarts – A place for all golf cart related material regarding upgrading, fixing, customizing.
Yamaha G2 Owner’s & Operator’s Manual
Find complete information about the Yamaha G2 in the owners manual. Yamaha-Owners-manuals.com has some great manuals available.