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Canadian Daves JustKDX
Pinging Noise - running too lean?
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[QUOTE="TheGrinch, post: 102713, member: 20716"] Ahh ha. That now makes sense. Thanks for the explanation Canadian Dave. Mac, The bike is definately more responsive down low and up top, since I rejetted it. You just have to ask a friend of mine who helped with his opinion before and after the change. I rode it first after I rejetted and noticed that the bike was more responsive. I told my friend this prior to him testing it. He soon found out how much of a difference it made when the front wheel suddenly lifted and the rear end fish tailed before he ended up going down with the bike in a pile. (my nice new unscratched bike! - not anymore :( ) In regard to the octain rating: Caltex Australia say "A highly refined, premium grade unleaded fuel for spark ignition engines blended to meet the requirements of modern automotive engines fitted with catalytic converters and designed to run on unleaded petrol. It has an octane rating of 95 minimum which makes it ideal for imported vehicles which require unleaded petrol with octane ratings higher than the commonly available 91. It is also ideal for those cars which experience engine knocking or run-on problems when using 'regular' unleaded petrol. A recent development is Lead Replacement Petrol. A petrol specially formulated for cars with engines designed to run on leaded fuel where Leaded Petrol is unavailable. It contains an additive to prevent valve seat recession and has the same 96 octane rating as Leaded Petrol. It retains the characteristics of easy starting, quick warm up and full power under all climatic conditions of Leaded Petrol. Environmentally it is an advance on Leaded Petrol, having a lower maximum benzene content and exhibiting lower vapour losses to the atmosphere during summer months. It is coloured red." Ampol say that the octane ratings of petrol in Australia at the present time are as follows: Super (leaded) 96 Regular (unleaded) 91 Premium unleaded 95 Long winded, I know. Just thought you may be interested. I'm not sure how American fuel rates. I've been using Premium unleaded. I know some people who run Super(leaded) due to the higher octane rating, or a mix of both Super and unleaded. There doesn't appear to be much difference. [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
Pinging Noise - running too lean?
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