Experiences with Ivan Kit

[Gaz66]

Thank you so much for these incredibly detailed answers which are so helpful.


Gaz66, so you are saying cleaning the carb ultrasonic is bad?


I just bought another carb on eBay to be safe (and leave my current one untouched), it has been already cleaned ultrasonic by the seller.


There are also Tourmax repair sets included. Can you see from the photo if they include everything I need?


Photos:


https://i.imgur.com/3PBMYMw.jpg


https://i.imgur.com/hpeg0Qe.jpg


https://i.imgur.com/cUHBJcy.jpg


The diaphragm seems not included. Would you recommend this:


1. https://de.aliexpress.com/item/1005004439949836.html


or


2. https://de.aliexpress.com/item/1005004511397054.html




Also, the seller of the carb also wants to sell me this "Long Boy extended Fuel Screw Set": http://www.factorypro.com/Prod_Pages/prody69.html


Would you recommend that with the Ivan Kit or is it not needed?


Hi Julius ... Think you've misunderstood what I meant re: Ultrasonic cleaning.


I meant that if "Air cut diaphragms" are still installed during either solvent or Ultrasonic cleaning, the diaphragms may not survive any contact with solvent, Ultrasonic cleaning is very good in most instances, I use mine for all-sorts, but water/solvent can be trapped withing the diaphragms chamber, along with dirt etc, hence they ideally need to come out when carbs are washed out .... bit of a piss poor design by Mikuni imho but it's something I've come across over the yrs doing countless carb servicing jobs .... Yes I fully recommend buying a set of the diaphragms from Ali-express, if only as a spare set, should you discover yours are in poor condition when stripped, it's clear why they get overlooked, splitting carbs apart is a job often swerved due to it being a fiddly process, it's common sense to replace the fuel o-rings between each carb joint while they're apart, after all they all between 17-22yrs old.


I've also found out by trail & error that  "Holts EGR cleaner" is awesome at cleaning carbs (externally & internally) cleans brass jets a treat, even had pilot jets remain blocked after a few sessions on the Ultrasonic bath, I also keep a few single strand guitar strings as jet un-blockers, also handy to poke thru carb galleries to ensure nothings stuck fast... just don't let this stuff come in contact with any rubber, hence a full carb strip as mentioned in my previous reply.

EGR cleaner is a good option if you don't have the use of an Ultrasonic bath.


Extended fuel screw ... is an option, as OEM screws are very hard to get at & be accurate as to how many turns out you're at with carbs in situ on the bike, never seen any on a Gen 1, but I have considered them in the past, it's a pricey option for something that rarely needs to be adjusted after a carb rebuild.
Ivans MB kit, is the way forward imho, it may be worth only drilling 1 bypass hole as Mike recommends, as I've drilled 2 & it's clearly too rich at idle & spits sooty deposits from the tailpipe, my white garage door looks like a paintball firing range from exhaust blast, note to self, "Clean the garage door ".