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eBay 20% off. Today only
eBay has a 20% off coupon. Just about elegible on everything. Coupon code PSPRING20. Here's the details. https://pages.ebay.com/promo/2018/0309/7020.html. Offer good today till 8pm Pacific time
March 09, 2018, 01:25:29 PM |
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Re: CR250 ignition lighting coil
That's a dilema when using the CR ignition. There are aftermarket stators, some claim 35 watts, some claim 50 watts. either way, that's not a very big light, and i like leaving some buffer too which makes it an even smaller light. LED lights help here with there low wattage, but you will have to float the ground, and add a rectifier / regulator to safely run one.
February 27, 2019, 10:21:52 PM |
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Re: ESR cases
Looks like boss racing is trying to get into the 250r case market
April 30, 2019, 03:33:32 PM |
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Re: 01/00 Cr cdi try?
I have a 2000 CDI I can send you to try. let me find it first.
May 11, 2019, 02:42:32 PM |
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Re: 01/00 Cr cdi try?
I found the 2000 CDI that I have. I'll send you a PM.
May 12, 2019, 04:35:53 PM |
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Re: Panthera 550??
I'd say 100hp is easily obtainable with one, just with modifications. It also might not be practical at 100hp for your riding style. A torquey 80 HP is going to be interesting to see none the less. November 22, 2020, 05:51:09 PM |
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Re: Head Light?
The headlight getting dim at idle, and getting brighter with rpm to a point is typical with our stator systems. The way the voltage regulator and stator work in these is at idle, they are making low voltage, but still enough to illuminate the light. the voltage regulator isn't doing anything at this point. when you give it some rpm, the voltage regulator kicks in around 14 volts, and shunts the extra voltage that the stator makes to ground to give you a regulated 14 volts or so. the only purpose of the voltage regulator is to prevent the voltage from the stator from being too much and blowing out the headlight. If you are having idle problems, i would ty to increase your idle speed a little to prevent it from wanting to die on you. June 04, 2021, 05:08:40 PM |
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Re: Panthera electric start
I just saw this tag asking if I saw Rogers panthera run. Roger's Panthera is in a Sundahl frame that was originally designed for a trx450r engine. He originally had the pipe that came from Panthera modified so it could be installed in the SRP chassis. He was unhappy with how this was performing. He sent the whole thing to Arlen who measured the port timings, and made a pipe to fit the frame. His cylinder isn't modified by Arlen, still the stock panthera porting, and he also runs a smaller carb because of space limitations. I believe it's a Keihin PWK bored out as much as possible. I can only compare it to another friends quad which is a walsh chassis with a 430 puma in it running the newest piston / porting that LED offers with a LED puma pipe. This quad is running 14/34 and 14/36 gearing and a Mikuni TMX carb off a 2000 CR250. The puma can keep up with the panthera and they are fairly equal for most of a run, but the Panthera is able to go faster than the puma and pulls away in high gear because of that. keep in mind, the rider of the Panthera is roughly 100lbs heavier than the rider on the puma, and runs huge desert tires which i feel is a lot more unsprung weight to spin too Roger is happy with how the Panthera performs now, and isn't looking for any more power. He was told that there's more power that could easily be made by modifying the cylinder and head. I hope this helps, it's not easy to compare these 2 machines with how different they are. May 21, 2022, 12:10:46 PM |
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