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  1. firro

    Power boost at high RPM 8K

    Hey all, So i got all new spark plugs, new intake manifolds, Stage 7 kit with VBOOST removed. Carbs revision done, ultrasonic cleaning etc, high octane fuel, full exhaust system Doma Racing. Bike runs well, however i do notice that power is Ok'ish at low and mid RPM , i have never ridden...
  2. firro

    Figuring out what Stage Dynojet(see pics) and full exhaust system?

    Thanks a lot Sean, i was able to get hold on a set of Mikuni 150's in EU. Im finally done with rebuilding my carbs, bike runs much much better!!! however, i have small correction to make on my first post in this thread.. i said the vboost was intact and functional... well its not, everything...
  3. firro

    17" rear wheel, does it fit 190?

    purely aesthetics, but ill stuck to 180 just to be safe.
  4. firro

    17" rear wheel, does it fit 190?

    Hi, So the previous owner has installed this 17" rear wheel with currently 180 width tyres.. ive seen this wheel conversion before on other vmaxxes. Unfortunately, i dont know what type/model this wheel is, was actually wondering if someone here has the same wheel conversion and if its...
  5. firro

    Throttle cable blocker(carb side)

    Hi guys, A very stupid question ,,*facepalm* So, im almost done with my carb rebuild, however im not very sure if i have intalled the throttle cable correctly,, in the pictures attached ive pointed the blocker with red arrow, one of the blocker is in the open and looks like not really '...
  6. firro

    Figuring out what Stage Dynojet(see pics) and full exhaust system?

    Thanks Sean! I can confirm I have the following: ✅MK90's PAJ1 ✅MK 170's PAJ2 ✅MK 37.5 PFJ ✅ S7 Needle on the 3rd clip from the blunt end ❓The springs not sure yet, will inspect later today ❓ im not sure what air corrector is currently in there as it is hard to remove.. but you suggest to have...
  7. firro

    Figuring out what Stage Dynojet(see pics) and full exhaust system?

    So I'm trying to figure out what Jets are in my carb on the '98 VMAX and if it is a correct tune I have DJ Stage 7 + K&N pods + 4-2-2 Doma Exhaust In the floatbowl area, bottom jet is a DJ 190 jet. From the top area its Mikuni 90. From the side area its a Mikuni 120 or 170 , its hard to read...
  8. firro

    Whats going on here? K&N pods

    here again with another question, while im waiting for my ultrasonic cleaner i did further inspection; i notice that the floatheight is quite off when i compare it to @Fire-medic 's first post in this thread. here is video ive uploaded.. the gap is 35mm .. does this mean its too lean? Or is...
  9. firro

    Fork assembly 1998

    exactly, i find it quite strange it isnt there.. im also trying to find what brand the spring is... couldnt find any markings except for the WP203 marking on the side. i assume its WP Suspension?
  10. firro

    Whats going on here? K&N pods

    Thanks for the tip! I will be carefull with the mentioned parts. im also wondering if the vboost o-rings have alternative numbers; 93210-45578 or if someone happen to know if there are aftermarket o-ring that fits in here? I live in the EU and I refuse to pay 60 euros for simple OEM o-rings 😂...
  11. firro

    Whats going on here? K&N pods

    Ok so i have taken out the carbs for ultrasonic cleaning. However upon inspecting the intake manifold seals i noticed that some of them had cracks in them. Best to replace obviously, my question is as follows; Has anyone experience with the Aftermarket seals? The OEM seals are just so...
  12. firro

    Fork assembly 1998

    EDIT: I see that i have accidently posted this in Gen2 forum... apologies.. can an admin move it over to the correct forum? Hi all, So, Ive done the fork seal replacement yesterday and noticed one part was missing on both tubes, the spacer which you should slide in from the top of the tube...
  13. firro

    New member

    Welcome Erik, what is the name of the shop in Assen? My VMAX also needs tlc
  14. firro

    Whats going on here? K&N pods

    So after troubleshooting the last couple of days im still here with the same issue. What i have done so far: - Replaced all four spark plugs, they were almost completely black. - Drained gas from carbs, was a bit dirty. - Replaced fuel filter. - Did oil change - Peacock method applied, didnt...
  15. firro

    New member / new owner

    best best photo i have right now; they are 17" with regular continental sport attack tires. the bike needs a proper carb cleaning and sync, im able to ride the bike with choke half open, when i close choke, idle is good but as soon as i hit the throttle it stalls.
  16. firro

    Figuring out what Stage Dynojet(see pics) and full exhaust system?

    Thanks a lot for the info!! very useful; i will try to figure out next weekend.. i do remember the old lady saying that the needles were renewed last year. at the moment the bike has issue when opening throttle from start, it feels like it doesnt get enough fuel when opening the throttle and...
  17. firro

    New member / new owner

    Name is Firro , from the Netherlands. age 32 Been riding since 2018.. owned ~10 bikes so far. Since June this year owner of a vmax from 1998, i always liked the Vmax. Saw this one for like 2k euro's.. couldnt let it pass, had to get it.. previous owner passed away, so i have litterally 0 info...
  18. firro

    Figuring out what Stage Dynojet(see pics) and full exhaust system?

    Hi All, As i mentioned in my previous post, i bought the bike like this , the owner has passed away, so im trying to figure out what kind of mods i have. Can you guys tell by the pictures what stage mod i have? sorry if its a stupid question . im totally not familar with VMAX, slowly getting...
  19. firro

    Whats going on here? K&N pods

    i would say so.
  20. firro

    Whats going on here? K&N pods

    Wow guys thanks alot!! i wasnt expecting such detailed responses.. great forum!! The filter pods are installed correctly? shouldnt the two air pods with the top tube be at the front ?
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