trialsrfun Posted September 8, 2006 Report Share Posted September 8, 2006 Does anyone know the jet sizes, slide cutaway etc that best suit a 199c trials cub fitted with a Del-Orto carb. PVL ignition will be fitted what is the best timing position to start with. Quote Link to comment Share on other sites More sharing options...
fast ferry Posted September 9, 2006 Report Share Posted September 9, 2006 Can't help you with the Dellorto but concerning the PVL my Cub runs perfectly with the marks aligned and the piston 3 mm btdc Regards, Ferry Quote Link to comment Share on other sites More sharing options...
totalshell Posted September 10, 2006 Report Share Posted September 10, 2006 if youur buying the carb new they will set it up for you if you ask.. Quote Link to comment Share on other sites More sharing options...
trialsrfun Posted September 11, 2006 Author Report Share Posted September 11, 2006 thanks fellas, I am geting the correct one ? for the Cub but wondered if anyone had made any changes to the standard set up I suppose there will be differences due to air cleaner and exhaust etc that is what prompted me to ask Quote Link to comment Share on other sites More sharing options...
trialsrfun Posted September 12, 2006 Author Report Share Posted September 12, 2006 What grade of plug are you using with the PVL/Del-Orto set up on a 199cc Cub Quote Link to comment Share on other sites More sharing options...
totalshell Posted September 14, 2006 Report Share Posted September 14, 2006 ngk bpr4 you can run with a six but the 4 seems that smidge better Quote Link to comment Share on other sites More sharing options...
bostit Posted September 15, 2006 Report Share Posted September 15, 2006 Totalshell, does the NGK 4 give any benefit when opening up from tickover over the 6? Also I have found Champion more robust in the past than NGK any thoughts on that? Quote Link to comment Share on other sites More sharing options...
trickymicky Posted September 15, 2006 Report Share Posted September 15, 2006 ngk bpr4 you can run with a six but the 4 seems that smidge better I run a B4HS with no probs at all. Sounds like yours is a resistor type with that R in the no. Not sure they are ideally suited if you run a PVL . Quote Link to comment Share on other sites More sharing options...
totalshell Posted September 16, 2006 Report Share Posted September 16, 2006 ive checked this am and i normally use bpr4hs i do have bp6hs which i use when i run out i bought the lot from an auto jumble cheap i 'believe it runs a 'little better with the 4 Quote Link to comment Share on other sites More sharing options...
steve+cub Posted September 23, 2006 Report Share Posted September 23, 2006 I've fitted a PHBL 22mm Delorto to my cub with jetting to suit a 200cc Lambretta, converted it to a flipover choke, starts easy and ticks over sweetly and picks up really well, much better than when i put the new 22mm amal on. Quote Link to comment Share on other sites More sharing options...
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