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Gp crank
Posted:
Sun Jul 17, 2016 8:39 pmby gp200ts1
Need a new gp crankshaft for my avanti. Been using a standard crank for the last 9000 miles but it's twisted so in the market for a new one. Nothing expensive but not a cheap Indian one either. Any recommendations?
Re: Gp crank
Posted:
Sun Jul 17, 2016 8:53 pmby Blaginit
Af Indian webs with rb con rod is recomended by Ron moss not cheap about £200
Re: Gp crank
Posted:
Sun Jul 17, 2016 10:25 pmby bazza3004
If its not going in a ott motor the mec cranks are ok , id swap the rod if higher hp although i used one in an imola with no problems. Glasgow lambretta had some deals on these with bearings and seals not long back may be worth giving them a call.
Re: Gp crank
Posted:
Mon Jul 18, 2016 1:58 pmby Knowledge
Why not try having your crank rebuilt? If the big end pin is a 22mm version, then you should find a number of suppliers who can build you a crank using a new, tighter pin that will resist twisting.
Try John Howe at Jahspeed.
Re: Gp crank
Posted:
Mon Jul 18, 2016 8:00 pmby Scooterlam
Scooter Restorations sil with Japanese bearing.
£80 last time I got one.
The rods not pretty but I ran one in my 20+ Avanti with no issues. Also in standard Ts1.