When did MerCruiser introduce the Thunderbolt ignition system?

When did MerCruiser introduce the Thunderbolt ignition system?

Mercruiser Thunderbolt ignition systems. Mercruiser introduced the Thunderbolt IV onto their engines in 1982, alongside the introduction of the 1-R drives. The TB-IV system was used until the introduction of TB-V mid-way through 1996. Thunderbolt V was an improvement on an already exceptionally reliable and well performing system.

Where to find the serial number on a Mercury outboard?

You can find your Mercury outboard serial number and model number on an ID tag on the mounting bracket, or in some cases on an engine block freeze plug. See below for a Model Number Description Guide and Serial Number to Year chart. Extra long shaft (25″/635mm) driveshaft housing.

What’s the model year of a Mercury outboard?

Mercury did not publish model year information for 1997 & newer outboards. The year is now normally noted on the serial number sticker. NOTE: Mercury DOES NOT Use Model Years For Parts Lookup.

Is the serial number of a mariner motor the same as a Mercury Motor?

PLEASE NOTE: leading zeroes are not relevant, e.g. “0B123456” is the same as “B123456” in the listing. However, later model serial will begin with a “1” or higher in pace of the “0”; those ARE significant . US-made Mariner motors are identical with Mercury serial number ranges and use these same charts.

What year is my 7.5 Mercury with Thunderbolt ignition?

I have a 7.5 mercury outboard motor serial# 3492069 what year is it and need to take top cover off motor to change spark plugs and what else needs to be changed. It has not run in about 5 years. 1973 model Put new water pump in and change the lower unit lube.

What was the first year of the Mercury outboard?

HP YEAR MODEL TYPE * US SERIAL # NUMBER RANGE HP 7.5 HP MODELS 7.5 HP MODELS 9.8 HP MODELS 9.8 HP MODELS 9.8 HP MODELS 7.5 1969 Short or Long 2529895 – 2810636 9.8 7.5 1970 Short or Long 2810637 – 3016580 9.8 7.5 1971 M Short or Long 3016581 – 3274634 9.8

You can find your Mercury outboard serial number and model number on an ID tag on the mounting bracket, or in some cases on an engine block freeze plug. See below for a Model Number Description Guide and Serial Number to Year chart. Extra long shaft (25″/635mm) driveshaft housing.

What’s the serial number on a mariner motor?

However, later model serial will begin with a “1” or higher in pace of the “0”; those ARE significant . US-made Mariner motors are identical with Mercury serial number ranges and use these same charts. The serial number format is the same. We currently do not have those here, but are largely useless.