The compression ratio for a 1978 Yamaha DT 100 is typically around 6.9:1. This ratio is designed to optimize performance for the bike's 98cc two-stroke engine, balancing power output with reliability. Proper maintenance, including regular checks on the piston and cylinder, can help maintain this compression ratio over time.
6.8:1
1978 dt4
That would be a 1978
28
1974 yamaha dt 125
1978 to 1981 DT-175 with CDI (no ignition points) spark plug gap .6-.8mm or .024-.032 inch, spark plug# B9ES
1978 to 1981 DT-175 with CDI (no ignition points) spark plug gap .6-.8mm or .024-.032 inch, spark plug# B9ES
The fork oil capacity for the 1978 Yamaha DT 250 is approximately 10.5 ounces (or about 310 milliliters) per fork leg. It's important to use the recommended type of fork oil, typically a 10W to 15W grade, depending on your specific riding conditions and preferences. Always refer to the owner's manual for precise specifications and maintenance guidelines.
CHOT-DT was created on 1978-10-30.
CIMT-DT was created on 1978-09-17.
25 to 1
32:1