Volkswagen 98ci Specs: 76.5 x 86.4 mm

Volkswagen 98ci specs: 76.5 x 86.4 mm (3.0118 x 3.4016 in) bore and stroke, shared by all 2 versions. Displacement, compression and factory ratings.

At a glance

Displacement	98 ci
Cylinders	4
Bore	3.012"
Stroke	3.402"
Compression	23.0:1
Advertised power	52–59 hp
Years	1985–1992

Engines in this family

Engine	Displacement	Bore × Stroke	CR	HP
ME	98 ci	3.0118" × 3.4016"	23:1	52
1V	98 ci	3.0118" × 3.4016"	—	59

Factory cars with a Volkswagen 98ci

• Volkswagen Golf / Rabbit / GTI: 1985, ME; 1986, ME; 1987, ME; 1989, ME
• Volkswagen Jetta: 1985, ME, 52 hp; 1986, ME, 52 hp; 1989, ME, 52 hp; 1990, ME, 52 hp; 1991, ME, 52 hp; 1991, 59 hp; 1992, 59 hp

What varies across the family

All are undersquare — stroke larger than bore, favouring torque low in the range.

Each engine page carries rod ratio, mean piston speed, bore/stroke character and cylinder head specs where published, and links into the calculators with its dimensions already filled in.

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