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Richard Pece
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  • Deer Park, VIC
  • Australia
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Hi Low Needle Adjustment on the Fly
4 Replies

Hi Guys,Just a quick Post to see if this concept is dead in the or still alive. There was a post back in 2014Go Kart Racing Telemetry by remote controlPosted by …Continue

Started this discussion. Last reply by Greg N Smith Apr 24.

11-77 vs 12-84
24 Replies

Hi Everyone, Just got back into Karting, Running a Rotax.  I would conisder myself Rotax Heavy, as I push about 99kg.I'm having a strange issue, and I seen a golf Thread (4years now), about a guy who…Continue

Started this discussion. Last reply by john learmonth May 13.

WTB Cadet Roller

Hi Everyone,Looking for a Cadet Roller.Year - don't careMake - don't careCondition - don't careNeeds Seat and pedals, thats about it.My Son is 3.5 Years old, Since I don't have a spare Go-Kart track,…Continue

Started Jan 3, 2015

WTB - 99 CR125 Engine - For SuperKarting
3 Replies

Hi Guys, Looking for a complete RS or CR 125, Ready to bolt onto a Shifter Rolling chassis. Prefer something rebuilt or already overhauled. Email : rpece@me.comContinue

Started this discussion. Last reply by Richard Pece Jan 11, 2014.

 

Richard Pece's Page

Latest Activity

john learmonth replied to Richard Pece's discussion 11-77 vs 12-84
"Here goes, in my understanding and FWIW: Rear sprocket diameter won't have any affect on chain tension, only on the acceleration and top speed of the kart. Front sprocket diameter will have an affect on chain tension, as well as acceleration…"
May 13
Chris wensrich replied to Richard Pece's discussion 11-77 vs 12-84
"Main bearing/crank seal issues? A possible theory:- the larger rear sprocket would correspond to a lower chain tension for the same force at the contact patch.  Maybe the higher tension with the smaller rear sprocket is opening up a gap in the…"
May 12
Greg N Smith replied to Richard Pece's discussion Hi Low Needle Adjustment on the Fly
"I expect that it is within the KA Rules to have extensions on the jet needles that can be manually operated from the steering wheel (or elsewhere) and each may include a (as in one?) mechanical stop No fly by wire/electrical adjustments It may be…"
Apr 24
Steve Southwell replied to Richard Pece's discussion Hi Low Needle Adjustment on the Fly
"5. It is not legal."
Apr 24
Richard Pece replied to Richard Pece's discussion Hi Low Needle Adjustment on the Fly
"Is that final ? Open Class same ruling ?"
Apr 20
Gergely Gardonyi replied to Richard Pece's discussion Hi Low Needle Adjustment on the Fly
"From AKA manual, page 149 Adjustment of Carburettor jet needles must be done by manually turning the jet needle, or its extension, only."
Apr 20
Richard Pece replied to Chris Armstromg's discussion 2014 Tony Kart Cadet kart for sale
"Still available ?"
Apr 20
Richard Pece replied to Richard Pece's discussion 11-77 vs 12-84
Apr 20
richard gagie replied to Richard Pece's discussion 11-77 vs 12-84
"POS 1 is lean, POS 5 is richer. Higher jets are richer than lower jets.Popping is usually an indication of too lean a jet. Not revving out is usually an indication of too rich a jet. Positions 1-5 on the needle will not make a lot of difference as…"
Apr 20
Richard Pece replied to Richard Pece's discussion 11-77 vs 12-84
"Got two sizes on me, 106 & 108.... I'm using Extron rear sprockets now, which are a Kevlar compound. Longer Lasting Less Noise Less Wear and Longer Chain Life"
Apr 20
Richard Pece replied to Richard Pece's discussion 11-77 vs 12-84
"Going too spend a Whole day testing soon, to iron this out.  But I reckon you are correct, coz I'm overweight.  I have to stick to 11 Front.  12 Front for me, means huge rears, and running the risk of hitting the…"
Apr 20
Richard Pece replied to Richard Pece's discussion 11-77 vs 12-84
Apr 20
Richard Pece replied to felix reiten's discussion What motor should I get?
"The new ROTAX EVO engines are awesome ! I owned an earlier Rotax, thought I would never buy another, but this engine is great."
Apr 20
Ben replied to Richard Pece's discussion 11-77 vs 12-84
"Are you running the exact same chain? I'm guessing it's a worn out sprocket or chain. One sprocket/chain combo works fine. The other combo has a buggered sprocket/chain. Nothing to do with gear ratios. More to do with quality of drive…"
Apr 18
Benjamin Piper replied to Richard Pece's discussion 11-77 vs 12-84
"Richard, The symptoms you had would not be caused by smaller front sprocket. Those symptoms are caused by various factors. Mainly the jetting been a Rotax. Spark plug and air filter condition can play a role but with the way the Rotax carby works…"
Apr 17
John Philp replied to Richard Pece's discussion 11-77 vs 12-84
"Richard, What about checking and or changing the needle position in your carburettor, rather than changing your jet size."
Apr 17

Profile Information

My involvement in karting:
Racer
My race number:
15
The class(es) I race:
Other

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