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63 A10 RGS TACH DRIVE BUSTED.ADVICE PLEASE. #30535 10/28/07 12:19 am
Joined: Dec 2006
Posts: 54
Mike W. Offline OP
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Posts: 54
Hey guys..My RGS has never had a tach on it since I got it in 1970.After all these years I am hopefully going to fit one( I hope---Wicked Pricey!!) The drive is out the FRONT at the bottom timing side of course.One of the notched drive "tangs" is broken off..Can someone help me with the part number of the piece or pieces I will require and its proper name ?? My manuals do not give me that number including the RGS supplementary books(..its regular A10 anyways isnt it??) Thanks for your help :bigt:


1995 Enfield 500 Bullet
1963 BSA Rocket Goldstar
1968/9 BSA B25 Starfire
1969 BSA B25 Starfire
1969 BSA 175 Bantam
1974 Yamaha TX750
1966 Suzuki S32 150 Olympian
1995 Enfield 500 Bullet
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Re: 63 A10 RGS TACH DRIVE BUSTED.ADVICE PLEASE. #30536 10/28/07 12:47 am
Joined: Aug 2001
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D.Bachtel Offline
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I believe it's called a "spindle" as per the 1960 " A" Group Spares Book. Pg. 22, Crankcase. It's the drive off the end of the oil pump.

There are two numbers listed one for the A7, A7SS and A10 (67-1389) and another for the A10 SR (42-0156). There's a washer particular to the SR (42-0157) and a circlip (42-0159).

Tough to find in the book, really have to know where to look. Took me a few minutes to find it and I could be wrong.

Don in Nipomo :bigt:


1956 Zundapp KS601EL
1960 Greeves Scottish/Hawkstone Velorex 560
1963 BSA Gold Star Spitfire
1964 Triumph T20SM
1965 BSA C15T
1966 BSA VE
1968 Bonham Tote Gote
1969 BSA VS
1970 BSA A65L (with a "Y")
1972 Husqvarna 450 WR
1986 Yamaha TT 225
1987 BMW K75C
Re: 63 A10 RGS TACH DRIVE BUSTED.ADVICE PLEASE. #30537 10/29/07 5:09 pm
Joined: Dec 2006
Posts: 54
Mike W. Offline OP
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Don..Thanks for those numbers. Much appreciated..Mike beerchug


1995 Enfield 500 Bullet
1963 BSA Rocket Goldstar
1968/9 BSA B25 Starfire
1969 BSA B25 Starfire
1969 BSA 175 Bantam
1974 Yamaha TX750
1966 Suzuki S32 150 Olympian
1995 Enfield 500 Bullet

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