Remove the carbon from the piston top to get its size. If the compression is low, in either direction, a broken ring(s) is the problem. If the compression is high, disconnect the muffler to see if the compression returns to normal. A higher compression, 10-15 psi over, would suggest either a blocked exhaust port, build-up of carbon on the cylinder head or a BLOCKED MUFFLER. The first task to do is a compression check The compression should be approximately 80 psi in FORWARD and 85 psi in REVERSE. (loose)Д®NGINE TURNS BUT: Cart Won't Start/Hard Starting or Lack of PowerД®NGINE DOESN'T TURN: See 'Charging System' category 1-1/2 ounces of 2 cycle oil to 1 gallon of low octane gas (85 to 1) is the correct ratio. A high quality, certified 2 cycle GOLF CART OIL (TCW-3) is mixed with low octane gas. The engine is cooled by air and displaces 245cc. Harley Davidson used a 2 cycle, loop-scavenged single cylinder engine with a reed valve intake. The last number indicates the year of the decade. MANUFACTURE & YEAR The letter H (made in the '70s) or J (made in the '80s) indicates the cart was manufactured by Harley Davidson The letter C (made in the '80s) or D (made in the '90s) designates Columbia as the manufacture. 1982 was the LAST year that Harley Davidson produced a golf cart. If your cart was made in the '60s, the first two numbers designate the year and the next letter(s) designate the model as in this example: 64DC800025 This VIN would indicate that the cart was made in '64 and is a model DC If your cart was made in the '70s or '80s, it will follow this format: 3B12234 H4 This VIN indicates it was made by Harley Davidson in '74 (H4) and is a model D (3B). It's important to know the correct year so you can get the correct Harley Davidson parts This number is located on a metal plate that is affixed to the frame directly above the driver's rear wheel. To find out the year of Harley Davidson golf carts, you will need to know the VIN.

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