RCAdam Posted October 13, 2014 Share Posted October 13, 2014 I have messed around with the HSN a bit, and i want to start tuning again properly now I have learnt a bit more. Sound really stupid for asking this but how do I return the needle to stock setting? it's a HPI trophy 4.6 (i think this is the same as the Savage X 4.6 engine) and if anyone knows the factory needle settings that'd be great Quote Link to comment Share on other sites More sharing options...
HYPER-BOY Posted October 13, 2014 Share Posted October 13, 2014 Both needles flush with the carb body on these I'm sure. Then tune from there Quote Link to comment Share on other sites More sharing options...
RCAdam Posted October 14, 2014 Author Share Posted October 14, 2014 so i just turn back the needle until its sitting flush? Quote Link to comment Share on other sites More sharing options...
Yoshimoto Posted October 14, 2014 Share Posted October 14, 2014 You got it,this will give you a good starting point-if it wont fire up at these settings adjust the LSN a little leaner/C/W until it does fire then go through your normal running in/tuning process. Yoshimoto Quote Link to comment Share on other sites More sharing options...
RCAdam Posted October 14, 2014 Author Share Posted October 14, 2014 You got it,this will give you a good starting point-if it wont fire up at these settings adjust the LSN a little leaner/C/W until it does fire then go through your normal running in/tuning process.Yoshimoto Quick question... After I refuel a tank, do I need to reprime it? Quote Link to comment Share on other sites More sharing options...
Yoshimoto Posted October 14, 2014 Share Posted October 14, 2014 If the tank has run dry-yes but try not to let this happen.If you have see through fuel line you should be able to see if there is still fuel up to the carb-in this case no you shouldnt need to re-prime but if the engine has has been standing for any length of time it may need repriming but experience will teach you this as every set-up is different. Yoshimoto Quote Link to comment Share on other sites More sharing options...
RCAdam Posted October 14, 2014 Author Share Posted October 14, 2014 (edited) Thanks, sorry for the tonne of questions. I've finished using it, recon almost at the good spot of tuning. I heard what almost sounded like an electric motor accelerating. What could it be? Sorry for another one. When Turning the flywheel by hand, it ticks at tdc? Edited October 14, 2014 by RCAdam Quote Link to comment Share on other sites More sharing options...
Yoshimoto Posted October 14, 2014 Share Posted October 14, 2014 Havnt got a clue about the electric motor sound??? if you can give a better description of when the sound was heard and how you were using the model it may help but the ticking is probably the starting pin if your engine uses one. Film it and post it up Yoshimoto 1 Quote Link to comment Share on other sites More sharing options...
Nitro-Guy69 Posted October 16, 2014 Share Posted October 16, 2014 hey maybe you can put a vid up, will defo help Quote Link to comment Share on other sites More sharing options...
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