4-Stroke Engine Specifications (Bv - Bvl - Vantage - Prisma - Synergy - Premier - Spectra - Futura) - Tecumseh SPECTRA 37 Service And Repair Manual

For Discount Tecumseh Engine Parts Call 606-678-9623 or 606-561-4983
(BV – BVL – VANTAGE – PRISMA – SYNERGY – PREMIER – SPECTRA – FUTURA)
Engine displacement
Boring
Stroke
Advance (P.M.S.)
Coil – flywheel air gap
Distance between
electrodes and spark plugs mm
Valve clearance
(may also be 0.10÷0.20)
Valve seat angle
Crank journal diameter
Engine shaft toe diameter
(flywheel side)
Engine shaft toe diameter
(power intake side)
Engine shaft axial
clearance
Piston skirt diamter
Distance between
compression ring points
Crankshaft bearing diameter
(flywheel side)
Crankshaft bearing diameter
(power intake side)
Inlet valve guide diameter mm
Exhaust valve guide
diameter
Inlet valve diameter
(may also 6.261÷6.274)
Exhaust valve
diameter
Valve seat
diameter
1 st and 2 nd retaining ring
side clearance
Oil scraper ring side
clearance
4-STROKE ENGINE SPECIFICATIONS
cm 3 148 156
63.500 63.500
mm 63.525 63.525
mm 47.1 49.2
mm 0.30 0.30
0.60 0.60
0.70 0.70
mm 0.15 0.15
0.25 0.25
46° 46°
mm 21.869 25.387
21.882 25.400
25.362 25.362
mm 25.375 25.375
25.362 25.362
mm 25.375 25.375
0.155 0.155
mm 0.689 0.689
mm 63.383 63.383
63.395 63.395
0.178 0.178
mm 0.432 0.432
25.413 25.413
mm 25.425 25.425
25.413 25.413
mm 25.425 25.425
6.355 6.355
6.382 6.382
6.303 6.303
mm 6.331 6.331
6.312 6.312
mm 6.325 6.325
6.197 6.197
mm 6.210 6.210
1.32 1.32
mm 1.07 1.07
0.05 0.05
mm 0.125 0.125
0.025 0.025
mm 0.10 0.10
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172 198 195
66.675 71.425 70.993
66.700 71.450 71.018
49.2 49.2
FIXED
0.30 0.30
0.60 0.60
0.70 0.70
0.15 0.15
0.25 0.25
46° 46°
25.387 25.387
25.400 25.400
25.362 25.362
25.375 25.375
25.362 25.362
25.375 25.375
0.155 0.155
0.689 0.689
66.520 71.298 70.866
66.530 71.310 70.891
0.178 0.25
0.432 0.50
25.413 25.413
25.425 25.425
25.413 25.413
25.425 25.425
6.355 6.337 6.355
6.382 6.387 6.382
6.303 6.337 6.303
6.331 6.387 6.331
6.312 6.312
6.325 6.325
6.197 6.197
6.210 6.210
1.32 1.32
1.07 1.07
0.05 0.05
0.125 0.125
0.025 0.025
0.10 0.10
93
148 172 195
OHV OHV OHV
63.500 66.675 70.993
63.525 66.700 71.018
47.1 49.2 49.2
0.30 0.30 0.30
0.60 0.60 0.60
0.70 0.70 0.70
0.05 0.05 0.05
0.10 0.10 0.10
46° 46° 46°
21.869 25.387 25.387
21.882 25.400 25.400
25.362 25.362 25.362
25.375 25.375 25.375
25.362 25.362 25.362
25.375 25.375 25.375
0.155 0.155 0.155
0.689 0.689 0.689
63.383 66.520 70.866
63.395 66.530 70.891
0.178 0.178 0.25
0.432 0.432 0.50
25.413 25.413 25.413
25.425 25.425 25.425
25.413 25.413 25.413
25.425 25.425 25.425
0.05 0.05 0.05
0.125 0.125 0.125
0.025 0.025 0.025
0.10 0.10 0.10