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  1. Mike Grafas

    Anyone use more than one anti-siphon valve?

    After my porting and bore job I got my ski dialed in pretty close to where I want it, just has to mess with idle screws to get it to idle after first touch of start button But after I do a wot run, maybe 10 seconds, I let off the throttle and coast to idle speed, if I hit the gas it feels like...
  2. Mike Grafas

    Cant find answer on carb tuning

    Ok maybe this will be a quick answer or maybe it wont be 97 rn that I just bored to 82mm and freestyle ported, ada head 190psi, b pipe, enhancer etc 70 pilot 135 main Dual 38s prior to doing the bore it ran great, piston wash was good and very smooth power Now that I have bored and ported it I...
  3. Mike Grafas

    Engine shimming...A LOT of shims

    I put new cold fusion motor mounts and now I need A LOT f shims to get it right, this picture is with probably 5mm on the left and still need another 5 on the right side Seems excessive, is this normal to need this many shims? I'm about to put a washer there to make up space so I have enough shims
  4. Mike Grafas

    Ring end gap prox pistons

    97 rn 701 bored 82mm I can't find anywhere what the ring end gap should be, my piston clearance is about .0045 As of now my rings are .013 end gap From searching I found that is optimal, if someone could shed some light if that is correct please
  5. Mike Grafas

    Should i pull my motor to have it ported

    So in my other post I stated I have 2 herniated disks in my lower back and cant really ride yet, even though I feel like I might be able to somedays I don't want to risk any more damage until I go through my physical therapy a few times and see how I feel so ive wanted to freestyle port my...
  6. Mike Grafas

    2 Herniated disks

    Was riding this past sunday after getting my new steering set up, about 2 inch further forward, and my back started hurting me of course being sunday and nice weather I said oh well and kept riding harder and harder, towards the end of my ride it hurt more so I kept leaning back to stretch it...
  7. Mike Grafas

    McMaster Carr part # RRP steering oring

    Does anyone happen to know the part number for the RRP bearing system big oring I was contemplating adding more grease after a few rides figuring the grease settled into all areas and turns out I was at it's max 1 and a half pumps and I blew the big oring out, need a new one now I could buy...
  8. Mike Grafas

    Pole up or down storage

    Just a random question but do most people leave there pole up or down when not using their ski with a spring I have always kept mine up and the hood off (it stays indoors when not in use) but I have felt the spring has lost tension a little bit and I'm wondering if it is because of me leaving it...
  9. Mike Grafas

    more cooling pressure without restrictors?

    I need more water pressure in my cooling system I think but I cant use any restrictors. its a b1 with a 760 ported and polished and Coffman rocket pipe 200psi comp I bought a fcv to put on it except I need the fcv barely on any threads for it to open at 1/4 throttle, basically I can see the...
  10. Mike Grafas

    Less low end after coming unhooked

    So ive had my RN SJ for about 10 months so far, bought it bone stock with a 701 raider motor and carbon reinforced. I have come a long way with mods because lets face it, I got the standup fever and constantly wanted more power. (AM hull is coming soon) now please don't take me for an idiot...
  11. Mike Grafas

    Standup on a hand truck?

    Anyone ever put a stand-up on a hand truck (custom made or not) I plan to make a ramp setup off my bulkhead into the bay, I have the plans basically figured out My problem is, of course, I can't get my ski into my backyard, basically I would need a cart that puts the bottom of the ski 4ft...
  12. Mike Grafas

    Pump shoe

    I've tried searching and all I got were posts from about 5 years ago Besides jet Dynamics and blowsion are there any pumps shoes out there that people prefer, or are both of those the same and fulfill the same purpose
  13. Mike Grafas

    Help, sj suddenly shut down

    97 rn with raider motor Ada head, bpipe, lightened flywheel, oem coil, msd enhancer set to lowest rpm limit, dual cooling Yesterday I was riding chasing boat wakes and as I was full throttle catching up to this boat the ski shut down. I tried cranking it and it didn't sound right but that could...
  14. Mike Grafas

    Should I buy rickter

    Hey guys, I've got an opportunity to buy a rickter FS1 glass, NOT carbon, with a 900 xscream powervalve motor, single carb, rrp pole and bracket and trim Hull is in great shape and engine bay is carbon reinforced Motor looks like it was riden, not completely clean but could definitely use a...
  15. Mike Grafas

    FCV or mixture adjustment

    97 701 RN bpipe, Ada head, dual carb Obviously I am going to do some test and tune today but wanted to see if there was any insight So I've got my FCV before stinger on straight leg of The My problem is, besides the ski running great, is when I am at 1/4 throttle or so and pin it I get a...
  16. Mike Grafas

    Loose gas cap

    Only a matter of time until I posted here Was gone for a week so I loosened the gas cap And no I didn't forget to tighten it when I rode today except I guess I didn't tighten it enough even though I checked it twice and something told me to check a third time but I didn't Rode for about an...
  17. Mike Grafas

    0 degree bars

    Just ordered 0 degree bars from blowsion A lot of online research and could not decide whether to go with 4 or 0 degree I'd say it was 45% 55% reviews online leaning towards zero degree But a lot of people were saying it's personal preference Once I get them in and install I'll be sure to...
  18. Mike Grafas

    Quick restrictor question

    I've got a rn with b pipe, single cooling Cooling from pump to manifold, head to bottom of headpipe, headpipe to T, straight part of T to fcv with 4mm restrictor after fcv Right now I'm riding in 45degree water, only freestyle so no WOT I started with a 6mm restrictor before pisser, then went...
  19. Mike Grafas

    Pickup bed hauler

    Thought I would share my setup for hauling my superjet I can have it loaded in about 6 mins from getting out of my truck to back in ready to go I can't take credit, I got the idea from by buddy who got the idea from online Basically it's 2x4s with indoor/outdoor carpet, cut 6x6 and harbor...
  20. Mike Grafas

    Help with rn damper gap

    Hey guys, everywhere I've looked the answer I got was to have the couplers 2-3mm apart As you can see in this picture mine is way off but that is how it's been Everything is aligned correctly(checked before I pulled motor to do motor mounts) It's a 96 rn with a raider 701 in it, is the...
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