I agree , why are some Mach’s running at 7900 to 8000 rpms with the stock ramps .?Ramps arent the problem...
I agree , why are some Mach’s running at 7900 to 8000 rpms with the stock ramps .?Ramps arent the problem...
I know from my 19 turbo, springs were always the culprit for low RPM’s.I agree , why are some Mach’s running at 7900 to 8000 rpms with the stock ramps .?
Other than the different ramps , They all left the factory with the same clutches , Unless BRP got a bad batch of springs or a different supplier for the springs. Some Mach’s are pulling 8000/ 7900 all day long. It is definitely got a lot of people taking . Hopefully We get to the root of this issue.I would be ditching the doo primary and secondary springs for Dalton's before adding the Dalton weights. I would also take an 1/8" off that spring cup while I was in there. Run it in same conditions/air temp with spring updates only to see if the results are the same and if they are then throw the weights into the mix..
Could you get Dano to bring a Train load of Dalton adjustable ramps to MuskokaAfter my Daltons arrive, and I have sled revving right, it will be interesting to see if the RPMS rise as I pile miles on, or will it remain unchanged?
Will be easy to see as I have Danos Adr as test mule.
Next thing will be to dive into the WG crack pressure if the break in achieves no gain in RPMs.
Dan
Keep on Digging , My Machz still hasn’t arrived to test anything , I do think the Dalton ramps and weights are the best way to fine tune the clutch along with a good spring . Have you cut the 1/8 to 1/4 off of the spring cup yet? Is there any alinement issues from the primary to the secondary. I have most of the tools to play with the clutches but, No alignment tool or measurements To check for miss alinement.Absolutely could be springs, but all else is identical on these two sled's clutching. Ramps are a quick change without the need to remove clutch and split open and change spring.
I will certainly dive deeper into clutching soon enough, this was a simple fast test to rule out that my mach is far below other sleds. This simple test with the 880 ramps tells me my mach is right where others are for the most part with this many miles in ticker.
Dan
Did your dealer tell you this or is it I the owners manual. This is disappointing .I don't think it is a ramp issue on the Mach. My 00006 serial number Mach pulls 7900, pulls hard out of the hole or a role on and or using launch out of the hole. 95mph on dragy in 660. All the aforentioned data was with 3 miles on the clock so not a break in issue either. Very simular performance to my old stage 2 PEFI sled.
Do your diligence to ensure no boost leaks and ensure belt deflection is tight and not the loose nonsense they recommend in the manual to ensure no issues with electronic reverse engagement. Other than that, keep in mind BRP has many layers of safeties in the ecu for intake Temps etc etc that can pull power and drag down rpm so if your doing repeated wot runs or extended runs or driving in mild conditions your rpm will be down because of heat soak etc. These 900's are the most sensitive sled I have ever owned with regards to ambient temp and heat soak fast at WOT.
Hope this helps...
BJK
Has anyone contacted BRP or there Dealer on this issue . These machines are brand newMY buddy just put 1000km on in Q.C, same sled as mine, also 7700 no change.
Your 100 % right on the Epic Fail , Brp has sucked Every one in again. If you want the Mach to go fast, Your going to drop another $4k with no warranty . When they said the lake racer was back , They meant a small lake in fine print.That's the million dollar question " the required boost " is it 15, 16.5, 17. Unless something changes drastically after some undetermined amount of mileage doo's claim of 17+ psi was an epic fail.
Could it be a boost leak, sure but highly unlikely with the amount of sleds affected by this. Once i took delivery i spent a long full day and went over every nut, bolt, clamp, intercooler, intercooler drain plug and I bet I'm not the only one.
Guys with the Mach and other 900R models are swapping springs, grinding down the arms or replacing them all together, Putting PB80 clutches on, all in the hopes to hit 8000 rpm and to get above 114mph on a 26,000 dollar sled.
IMO this is not something we can fix, we can dress it up to work slightly better but its still lipstick on a pig until doo fixes this. Yet another million dollar question.
Stop drinking the yellow Koolaid ,What a bunch of WHINNERS!!!!!!!!!!!!!!!!!
Bob
Your right , They follow Do Talk along with surveys.Don't kid yourself, they look on here. They also you to respond to posts and/or create posts, but then they stopped.
Bill Cudney has done this for years . It really works great on smaller lakes and corner to corner trail riding. Big lakes and long runs takes lots of H/P. And you are right about the Brp Programming.( Cadbury secret)I like the 880s far better then the 897 Mach ramps. Thought I mentioned that several times. The drive off and mid is just harder hitting. Mach ramps feel soft in bottom and mid in comparison. I 100% believe they designed them to help with LC, and me along with many others have gone to Dalton Adjustables which work much more like the 880s(depending on how you load them) and still allow the LC to work as my engagement is 3100-3200. I am running them pretty light though.
Going now to the ultimax will change things so I have some items going to order to work with that belt.
I have said this before and will mention it again, because I believe this is just not talked about enough. For anyone here to say he will be back to other ramps, or he will go another direction, ect ect....simply does not understand clutching. 5 guys can clutch the same sled 5 different ways, coming at things from a different approach. And all 5 of those sleds may have totally different components yet all wind up MPH similarly.
Clutching is a feel, and what you want from your sled. My top priority items are likely alot different than others. I loved my Pl/Pl secondary spring for years while most all others hated it. Im a corner to corner junky who wants to ride this like my 850.
And BTW I definitely will be doing a transfer MOD of my own, since this new RmoX IMO is way way too docile, BRP made this sled like that CAT skid and now its the most un-playful suspension I have rode on a Doo.
If you guys think gaining RPMS will make this sled magically MPH that is not gonna happen. We are down on BOOST IMO and fighting a ECU with more parameters than many of todays supercars. Until BRP gives us a flash to get some of these safety factors reduced, these 900r's will never be MPH sleds IMO.
My goal is to get my corner to corner Jam on with some serious clutching. 180/303 and 47 degree start-angle helix aint ever gone do that for me. ECU wont intrude on trails corner to corner, so for now its all about making this a corner to corner monster.
Dan
This is a public relations disaster, I should have known not to buy the first year of any skidoo again.Seen 112 on speedometer and was still pulling, was running out of real estate so let off. only tried for short run due to still breaking in, the rest of time was short burst on trail and rpms were spot on
Your 19 turbo is faster than you new $25.000 Mach z.Could’ve not said it better myself exactly what I think Smart shocks are some thing else game changer
What time and date are you testing on the lake of bays . The Algonquin Snowmobile club started stakeing it yesterday . I forgot ,What part of the lake are testing on? The picture of Dano was in front of BigWind Island.It appears you studded using a 3-2 pattern for a total of 120? What stud brand, type, size and backer did you go with?
BrownYou forgot to ask what color of underwear they wear?. Are you still believing St.Onge sold 300 Mach Z's....
Why don’t you clowns line up against the SRXs around the lake of bays . I forgot you did and you left with your tail between your legs.Brown
Ahhhh YES.... you NAILED it!
I have the idiots on IGNORE and life is so great! Certain people should NOT be allowed on this forum IMO or anywhere on the internet.
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Grace Performance should be able to help you.
NOT !
You did the right thingI ordered a MachZ to flip it and make a bunch of money from the illusion of top gun. Thanks to BRP I can't even doo that because its not in yet haha. Somehow they managed to disappoint me twice.
One was stock the other had a 240 programme from Bracebridge YamahaWe're the srx's stock or tuned? When was this?
A Slow 2022 Machz that is going up for saleDo you mind me asking what sled your riding?
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