80 kmph
Per Champion spark plug applications chart, the gap for 6hp Tecumseh engine is .030
You may get an idea by going to parts list at www.landscapepower.com/pdf/Tecumseh/H60-7500.pdf Very hard to see but maybe it will help.
6000 rpm
That model has a max continuous RPM of 11,000, and a max RPM of 12,000
Max RPM - 1986 VG was released on: USA: April 1986
Max rpm / redline (often they are actually different) is not based on the car but on the engine. Prelude S (F22A1 engine) max rpm: 6250-ish Prelude VTEC (H22A engine) Redline: 7200/7600 rpm Max rpm: 7400/8000 rpm Preludes from 92- were delivered with the following engine options F20A, F22A, H23A, H22A.
the rpm is 5700
5500
5800 rpm
The HP of a John Deere 70 lawn tractor is 7hp if it has the original engine in it.
6200 rpm max