jdels
USA Donating Member
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Everything posted by jdels
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So, scratchers installed. Not entirely thrilled about it but they do work well. Did 212 miles yesterday with no overheating, even with a couple long road runs with little snow on them. My god they are annoying though. Shit hitting you in the back and head, running boards covered in snow/ice buildup and wetter bibs than ever before. Been a Cat guy my whole riding life, 30 plus years. Dealt with a lot of junk engineering, poor fit and finish and build quality. This one takes the cake. Still a little pissy about it, I can't see keeping this machine past this year. Problem is WTF other chassis can you get from CAT! Rant over, ride on!
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Was hoping you'd chime in at some point @krom. Any words of wisdom on the cooling deficiencies?
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They really are. One year only (2006) with fuel injection for a nice light throttle pull. Kids progressed Z120 to Z370 to Z570 to SC500. In non powervalve form I think they will go forever, and 80HP is plenty. The black one will roll 10,000 this season. Bit of a reunion last spring.
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Recently finished a 2006 Sabercat rebuild/Refresh for my son. Rebuilt skid, powdercoat on a-arms, springs and spindles. New chaincase chain and speedo side driveshaft bearing. torsion spring slides and mounts replaced. Studded down the middle with fresh 6'' carbides and hyfax. Added running board plates, windshield bag and he asked for some slydog rear wheels. All four shocks needed rebuilding. Bought it last spring for $1800. 4400 mile machine. All in about $2700. Last pic is of my middle child on the same machine in black that had a similar refresh a couple years ago.
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Mine definitely ran about 10 degrees cooler at last of 4 than leading. My riding buddy said the same thing about the snow coming out the back and not hitting the flap. Springs in position 2. I may try the softest setting but, well, gotta go 265 pounds geared up. Flap is about 4 inches off the ground with me on it. Scratchers should be here Monday. I know the 4-strokes have a higher operating temp but how the hell are the T-Cats staying cool?
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After just two rides of about 280 miles total I have to agree. There were spots where I could duck into a ten foot stretch of powder hammer the throttle and literally five seconds later would see a drop of 20 degrees. Of course as soon as that cold spot of coolant passed the sensor temps would spike right back up. This suggests there is no where near enough snow getting to the rear exchanger. When there is it seems to work. Not sure of any meaningful way to get more snow up there other than scratchers unfortunately.
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I never has much trouble with the F7 unless it was ice or plowed roads. She'd flash once in a while (175 I believe) but I can only remember a solid light (200) a couple times. I will be riding that machine this weekend unless the scratchers come in by Friday. Given the sheer population of this chassis and the common problem I am a bit surprised there isn't a better aftermarket solution available other than scratchers. A bigger or auxiliary heat exchanger would probably be a good seller. Thanks to all who replied, I appreciate the insight.
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I would agree, 150-155 to 130 with a 50 foot spin in some powder. Bad design.
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Thanks for the reply. Todays ride was not enjoyable. After 16 years and 10000 plus miles on the F7 it was a bit disappointing. Can you give me some idea what temps you see with the scratchers, and what brand do you use?
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First two rides on a new to me 2018 ZR8000. 137'' studded down the middle, 2200 miles. About 15 degree weather both today and yesterday. Maybe three inches of hardpack on most of the trails. Struggled yesterday keeping temps below 150. When I got home I raised the front end about two feet up, warmed up well and added about two cups coolant, thinking air pocket. Went out again today and same thing. Unless I dipped into powder frequently, and I mean nearly constant, temps would rise to 160+. A blast into some powder and temps would drop 25+ which suggests the heat exchangers are functioning well, just no snow getting to them. Are scratchers a must on these machines? Any other insight would be helpful. For reference sake my two kids on Sabercat 500's had no issues, nor did anyone else in my group. Thanks.
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Yes, I have the seat and footrests. Keep in mind it requires the correct 8 pocket bumper for you machine.
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Yes, I have the seat and footrests. Keep in mind it requires the correct 8 pocket bumper for you machine.
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Except for tunnel bags! Sorry, couldn't resist!
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Came with a 2018 ZR8000 I bought. Was not on sled when I got it but seems complete. One pic from the sled was listed with it on. I believe the Cat PN is 7639-358. Includes brand new set of footrests. Figured I'd throw it up here before ebay to avoid packing/shipping. Cat retail is about $700. Throw out an offer. I am an hour north of Green Bay and am willing to drive a little.
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Couple calls on Monday for sure. Speedwerks is offering a '21 'stock' tune now. Will be interesting to see if they claim it as their own. If a reflash and some weights can offer some margin in the 'safe speed' range that seems worth it to me. Thanks for the real world assessment, appreciate it.
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My two biggest concerns are reliability and longevity. I do a fair amount of riding with my two younger kids so there is time spent in the lower RPM ranges. Hard to justify spending the money having not even ridden the thing yet but I sure as hell do not want to be sending out ECU after the season starts. Precision or Speedwerks seem to be the two options, so looking for some real world testimonial to help make the choice. The good ole F7 (bought new) has over 10,000 miles on the original top end and still showed 126/128 compression at the start of last year. Not sure if its reasonable to expect that out of the C-Tech but I'd sure like to do the things to give it a fighting chance. Cylinders and pistons look good through the y-pipe. 2200 miles on it, 2018 ZR8000RR. Thanks for the input.
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Hey, at least the sent two tips for the glue, enough to get your booster next time.
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That glue was some strong shit. Even with exhaust fan on it took a while to clear.
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Just a weight change? How heavy?
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Never rode this one either so its tough to justify. I do ride with my two younger kids alot so not all my miles are spent in the upper RPM ranges. That fact alone has me considering just doing it. Thanks for the response hopefully someone will chime in and give us both some insight.
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Just picked up a 2018 ZR8000. Is the fuel map as bad as what some online stuff would suggest? Anyone have experience with aftermarket flash, the Speedwerks tune is where I'm leaning. By the looks of the can its been pretty hot so it seems there is definitely a lean spot there somewhere. 2200 miles on it, cylinders and pistons look good through the Y-pipe and I'd like to keep it that way. Thanks.
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