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Usually a bad voltage regulator allows too high of voltage...
My brothers repair shop has replaced many defective voltage regulators on Ski-Doos & Polaris sleds due to excessive voltage blowing out lights...
I did not install the fuel pump or strainer, just ordered for spare parts...
The fuel pump & strainer appear to be of good quality, very quick delivery...
It appears that all of the manufactures have an occasional fuel pump failure...
My 2012 800 Can-Am 800 XT UTV failed fuel pump, friends...
In 2015 I purchased a used ($23) 37 tooth sprocket & a used ($20) 21 tooth sprocket from ebay, both looked like new, 1/2 the cost of new Polaris sprockets...
Plus as OutCast stated you can use the standard 70 P chain...
My new lower gearing 37/21 & 70 P chain = 1.76 ratio, spot on gearing for...
Quantum Fuel Pump with Strainer for my 2014 Pr0 R 800 Rush just for $49.94..., a quick low cost spare... Free Shipping
Switchback 800 EFI w/ Strainer PRO-R/ES RETRO/LE Polaris p/n 2204726...
I order 2 of the $14.95 fuel pump strainers on 12/28/2016 & received 2 high quality strainers on 12/30/2016 from Quantum Fuel Systems.... Total cost $29.90 & free shipping...
Walbro GSC404 Intank EFI Fuel Pump Strainer Polaris 600 Rush PRO-RIDE /SC/SP/ES /Retro 2010-2014....
Click on image to...
Brock, Thanks for your input that the fuel controllers are not very accurate for measuring TPS voltage even though they read out voltage to 3 places (with my PCFC, WOT 4.222 volts) unlike my old Sears or new Fluke multi meters that only read out 2 places such as 4.22 volts, or my cheap $8.98...
I believe a $400 PCV or a SLP $250 PCFC fuel controller would be more accurate then a multi meter.... I will compare my $120 Fluke meter to my SLP $250 PCFC fuel controller... After a friend returns my ECU power up cable & my TPS wire harness adapter tester...
On EBay I purchased a TPS wire harness used for testing a Polaris TPS and then a few days later ordered a High Quality "ECU power up cable" from Tonka1020, high quality & quick delivery...
I highly suggest to order a very simple to use TPS tester wire harness from a SnoWest member Tonka1020 on...
I am not a vendor, just an old retired engineer that found an interesting Big Bore post on FaceBook & SnoWest that I thought the good Dr.Notadoo that has a very strong 840 stroker & others might be interested in....
But dam now I got my self thinking about a 910cc BB (70mm stroke x 91mm...
Thanks much Brock for the excellent info from you & Jim last year on the DynoTech sight indicating low rpm & low HP resulted from a base TPS voltage that was higher then .700 volts, which only allowed mid height exhaust valve opening... Then much more HP with a lower TPS base voltage when set at...
Stroker Customs added 3 new photos.
Mild to Wild 851 Polaris PRO big bore kit for sale. Comes complete with everything needed for 11-15 pro. $2000.00 for complete kit no exchange. $300 dollar cylinder core will be given for 13 or newer cylinder. This kit has been used but will include diamond...
Stroker Customs (Steamboat CO)
T8RZ Porting & performance (Hazelton ID)
Mild to Wild Motorsports (Mandan ND)
For photos http://www.snowest.com/forum/showthread.php?t=405963
So you have 3 guys using the best parts, knowledge and machinery available to push the stock motor to its limits yet have...
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