1958 AJS 30

Information relating to the Matchless G11 or AJS Model 30 600cc twin
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rr_sweden
Posts: 2
Joined: Sat Nov 20, 2010 4:27 pm
Location: SWEDEN

1958 AJS 30

Post by rr_sweden »

Hi I bought an AJS twin 600cc some 30 years ago it is sold new here in Sweden and sold as an AJS america deluxe ? I got alot of parts whit the bike and wonder about the heads ,what is the different between heads whit two rocker studs and heads whit four rocker studs?
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Steveajs30
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Posts: 4
Joined: Tue Jan 17, 2006 7:51 pm
Location: EAST YORKSHIRE UK

1958 AJS 30

Post by Steveajs30 »

The 2 bolt fixings came out in 1953 and used from then on for 500, 600 & 650, if you have heads and covers with 4 bolt fixings they are from a 500 twin pre 1953.
rr_sweden
Posts: 2
Joined: Sat Nov 20, 2010 4:27 pm
Location: SWEDEN

1958 AJS 30

Post by rr_sweden »

Ok thanks I have sets of both heads, The heads that was on the motor when I buy it has four bolts,I plan to make a set ready for unleaded fuel is there any advantage to use the two bolt heads?
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