SECTION A11
Technical Data
Constellation Engine
Cubic Capacity
... ...... ... ...... ... ......... 692 c.c.
Stroke ................. ... ................. .. ........ 90 m.m.
Bore ......... ... ...... ... .. Nominal
70 m.m.
Actual 69.877 m.m./2.752 in.
(Rebore to .020 in. when wear exceeds .0065 in.
and again to .040 in. after further .0065 in. wear).
Compression Ratio ... ... ...
8 to 1
Piston Diameter-
Bottom of Skirt-
Fore and Aft.
69.811 m.m.
Top Lands (later type) 69.31/69.26 m.m.
Top Lands (early type) 69.40/69.35 m.m.
Skirt is tapered and oval-turned.
Piston Rings
Width-Plain Rings ................ ... .0625/.0635 in.
Scraper Ring ......................... ... .1550/.1560 in.
Radial Thickness .................. 2.883/3.085 m.m.
Gap when in unworn Cylinder .011 / .015 in.
Clearance in grooves .001/ .003 in.
Renew Piston Rings when gap exceeds 1/16 in.
Various oversize Pistons and Rings available.
Piston Boss Internal Diameter ....... .7499/.7501 in.
Gudgeon Pin Diameter .7499/.7501 in.
ConRod Small End Internal Diameter .7507/.7505 in.
Big End Internal Diameter ........... 2.0190/2.0185 in.
Bearing Shell Internal Diameter 1.8760/1.8755in.
Crank Pin Diameter ............... ... 1.8750/1.8745in.
Driving Side Main Ball Bearing
Type ............ ... ..... ... ...... ... ....... S.K.F.6209
Outside Diameter ... ...... ... ......... 85 m.m.
Inside Diameter
... ...... ... ......... 45 m.m.
Width ........... ... ..... ... ...... ... ......... 19 m.m.
Timing Side Main Roller Bearing-
Type ............ ... ..... ... ...... ... ...... S.K.F. N209
Outside Diameter .. ... ...... ... ......... 85 m.m.
Inside Diameter .... ... ...... ... ......... 45 m.m.
Width ........... ... ..... ... ...... ... ......... 19 m.m.
Rocker Inside Diameter ... ...... ... .5627/.5622 in.
Rocker Bearing Inside Diameter .5622/.5617 in.
Rocker Spindle Diameter ...... ... .5617/.5615 in.
Inlet Valve Stem Diameter .... ... .3430/.3425 in.
Exhaust Valve Stem Diameter ... .3410/.3405 in.
Valve Guide Internal Diameter .3437/.3447 in.
Valve Guide External Diameter .6275/.6270 in.
Valve Guide Hole in Cylinder Head Dia. .625/.626 in.
Tappet Stem Diameter ........... ... .3743/.3740 in.
Tappet Guide Internal Diameter .3755/.3745 in.
Tappet Guide External Diameter 1.0125/1.0130 in.
Tappet Guide Hole in Crankcase Dia 1.011/1.010 in.
Tappet Clearance with cold engine:
Inlet .............. ... ..... ... ...... ... ............. Nil
Exhaust ................. ... ....................... Nil
For continuous high speed running set
Exhaust tappet to .005 in. clearance
Valve Spring Free Length
Inner ............ ... ...... ... 1.1/2 in.
Outer ..................................... 1.11/16 in.
(Renew when reduced by 1/16 in.)
Valve Timing with .012 in. clearance--
Exhaust Opens
...
... 83° before B.D.C.
Exhaust Closes
... 35° after T.D.C.
Inlet Opens
...
...
... 24° before T.D.C.
Inlet Closes
...
...
... 73° after B.D.C.
Camshaft Bearing External Diameter .9095/.9085 in.
Camshaft Bearing Internal Diameter .7505/.7495 in.
(Bored in position in crankcase)
Cam Lift Exhaust ... ...... ... ..... ... .3280 in.
Inlet ..... ......... ........ .3440 in.
Valve Lift Exhaust (approx.). ... .3280 in.
Inlet (approx.) ...... .3440 in.
Timing Sprocket .......... ... ..... ... ...... 12 Teeth
Camshaft Sprocket ...... ... ..... ... ...... 24 Teeth
Magneto Sprocket ........ ... ..... ......... 19 Teeth
Timing Chain-Type
Single No. 110038 endless
Length ... ..... ... ... 66 pitches
Width
... ..... ... .225 in.
Pitch
... ..... ... .375 in.
Roller
... ..... ... .250 in.
Magneto Chain-Type Duplex No. 114500 endless
Length ........ ... ... 44 pitches
Width ... ..... ... ... 8.64 m.m.
Pitch ... ..... ... ... 8 m.m.
Roller ... ..... ... ... 5 m.m.
Magneto Speed
... ...... ... ..... Half Engine Speed
Points
... ...... ... ..... 015 in.
Timing Advanced 3/8 in.-7/16 in. before T.D.C.
Timing Retarded 1/32 in. before T.D.C.
Engine Sprocket ........... ... ...... ... ... 29 Teeth
Clutch Sprocket ........... ......... ... ... 56 Teeth
Final Drive Sprocket (Solo) ... ...... ... 20 Teeth
Primary Chain Type
Duplex No. 114038 endless
Length ......... ... ...... ... ...... ... .. 92 pitches
Width .......... ... ...... ... ...... ... .628 in.
Pitch ............ ... ...... ... ...... .… 375 in.
Roller .......... ... ...... ... ...... ... ......... .250 in.
Feed Oil Pump-Speed .. ....... ... . 1/6 Engine Speed
Piston Diameter .24975/.24950 in.
Stroke ... ...
.5 in.
Return Oil Pump-Speed
.. 1/6 Engine Speed.
Piston Diameter .375.3755 in.
Stroke ... ...
.5 in.
Spark Plug: Engine numbers SMSA 6751 - 6795
(short reach) Champion L5 or L11S
Engine numbers SMSA 6796 onwards
(long reach) Champion N3 or NA10
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Содержание CONSTELLATION 1958
Страница 5: ...1959 CONSTELLATION w w w h i t c h c o c k s m o t o r c y c l e s c o m ...
Страница 7: ...w w w h i t c h c o c k s m o t o r c y c l e s c o m ...
Страница 12: ...1956 SUPER METEOR w w w h i t c h c o c k s m o t o r c y c l e s c o m ...
Страница 13: ...w w w h i t c h c o c k s m o t o r c y c l e s c o m ...
Страница 19: ...1957 SUPER METEOR w w w h i t c h c o c k s m o t o r c y c l e s c o m ...
Страница 21: ...Section C4 Page 2 w w w h i t c h c o c k s m o t o r c y c l e s c o m ...
Страница 39: ...1959 SUPER METEOR w w w h i t c h c o c k s m o t o r c y c l e s c o m ...
Страница 43: ...1961 SUPER METEOR w w w h i t c h c o c k s m o t o r c y c l e s c o m ...
Страница 45: ...Section E4 Page 2 w w w h i t c h c o c k s m o t o r c y c l e s c o m ...
Страница 52: ...Section E7 Page 5 w w w h i t c h c o c k s m o t o r c y c l e s c o m ...
Страница 55: ...Section F3 Page 2 w w w h i t c h c o c k s m o t o r c y c l e s c o m ...
Страница 60: ...Section F4 Page 3 w w w h i t c h c o c k s m o t o r c y c l e s c o m ...
Страница 63: ...w w w h i t c h c o c k s m o t o r c y c l e s c o m ...
Страница 67: ...1961 CONSTELLATION w w w h i t c h c o c k s m o t o r c y c l e s c o m ...
Страница 80: ...Section H5 Page 1 w w w h i t c h c o c k s m o t o r c y c l e s c o m ...
Страница 97: ...Section M6 Page 1 SECTION M6 Special Tools w w w h i t c h c o c k s m o t o r c y c l e s c o m ...
Страница 98: ...Section M6 Page 2 w w w h i t c h c o c k s m o t o r c y c l e s c o m ...
Страница 99: ...Section M6 Page 3 w w w h i t c h c o c k s m o t o r c y c l e s c o m ...
Страница 100: ...Section M6 Page 4 w w w h i t c h c o c k s m o t o r c y c l e s c o m ...
Страница 101: ...Section M6 Page 5 w w w h i t c h c o c k s m o t o r c y c l e s c o m ...
Страница 103: ...Section P1 Page 2 w w w h i t c h c o c k s m o t o r c y c l e s c o m ...
Страница 104: ...Section P1 Page 3 w w w h i t c h c o c k s m o t o r c y c l e s c o m ...