1958 AJS 30

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

1958 AJS 30

Postby rr_sweden » Sat Nov 20, 2010 4:39 pm

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?
Ingemar

Deceased
Posts: 4
Joined: Tue Jan 17, 2006 7:51 pm
Location: EAST YORKSHIRE UK

1958 AJS 30

Postby Steveajs30 » Sat Nov 20, 2010 7:22 pm

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.

Posts: 2
Joined: Sat Nov 20, 2010 4:27 pm
Location: SWEDEN

1958 AJS 30

Postby rr_sweden » Sat Nov 20, 2010 7:29 pm

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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