Why is my Vmax 150 not getting spark?

Why is my Vmax 150 not getting spark?

The more cylinders that are missing the rougher it runs and the poorer the performance. So — spark and compression tests are always necessary under those “can’t plane” or “can’t get over 2000 or 3000, or 4000 rpm” issues. You only pulled one plug and determined it wasn’t getting spark. So how did you determine that?

What kind of spark plug does a Yamaha outboard use?

Yamaha Year Model / Engine Copper Plus Plug Alternate Plug Gap 1999-1994 225SW 3.1L QL77JC4 L77JC4 0.04 1999-1987 Excel 2.1L V6 QL78C L78C 0.04 2005-2002 F225 EFI REC10YC4 — 0.044

Do you need compression test on Yamaha Vmax 150?

So — spark and compression tests are always necessary under those “can’t plane” or “can’t get over 2000 or 3000, or 4000 rpm” issues. You only pulled one plug and determined it wasn’t getting spark. So how did you determine that? Did you pull the other plugs and what did they look like? Reading plugs is like reading a book. They tell a story.

What kind of spark plug does a Yamaha NGK use?

Yamaha Model Type Capacity Year Resistor [?] 2 2CMHS 50 1984-2002 BR5HS 2 A BR6HS 2 B 50 1984- BR5HS 2 B 1985- BR7HS

How many spark plugs does a Yamaha outboard use?

2-Stroke Spark Plugs Two Stroke Model NGK Number Gap (mm) Gap (in) Yamaha Part Number 30 (87~02) B7HS-10 1 0.04 B7H-S1000-00-00 C30 (93~97) B8HS-10 1 0.04 B8H-S1000-00-00 40 (84 ~ 05), C40 (97 ~ 02) B7HS-10 1 0.04 B7H-S1000-00-00 C40 (89~97) B8HS 0.6 0.024 B8H-S0000-00-00

The more cylinders that are missing the rougher it runs and the poorer the performance. So — spark and compression tests are always necessary under those “can’t plane” or “can’t get over 2000 or 3000, or 4000 rpm” issues. You only pulled one plug and determined it wasn’t getting spark. So how did you determine that?

So — spark and compression tests are always necessary under those “can’t plane” or “can’t get over 2000 or 3000, or 4000 rpm” issues. You only pulled one plug and determined it wasn’t getting spark. So how did you determine that? Did you pull the other plugs and what did they look like? Reading plugs is like reading a book. They tell a story.

How old is a Yamaha Vmax 150 carb outboard?

I recently purchased a 2004 (i think) 150 Vmax Carb outboard. It has very low hours and looks brand new. Has been sitting a couple years. I cleaned out the clear fuel filter and ran fresh gas into the lines. Runs great on the hose. Got everything hooked up on my 18 foot bass boat.