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The link posted is where the Vintage BMW Motorcycle Owners has Bob (Snowbum) Fleischer's site. We host it for free and access to it is available to everyone. Just sayin'. :-) Mac Kirkpatrick

Read this for back round. https://bmwmotorcycletech.info/section4.htm I use the pull scale method. If you have a lathe you can just make the wedding bands. You can use a combination of adjusting the

I have a 74 R90s that I'm putting back together and it had snowflake wheels on it (don't ask, previous owner did it). I have a '74 spoke front wheel/hub to put on the bike but it does not have

Watched Ed on Wheeler Dearlers sync a twin-carb Volvo today with the exact vacuum synchrometer tool I suggest. In 2 minutes he was done. Visually seeing the slides move, and switching easily the

I get it, but he is obviously not experienced.

Kirk, Good call on the choke cable slack. I once received a set of cables for my 1974 that were too short (or housings too long) so it restricted the enrichment valve movement and wouldn't idle

Well what happens when you turn in the idle screws more, like a lot. Will it idle on one cylinder then ? Do you have a copy of the Delortto carb tuning and theory booklet. I think it is available

??Random comments: - Check that the “choke” (enrichers) have enough slack not to be partly held open - after years sitting with ethanol in the tank, the rubber bit on the float needle jet will

Scott - More detail seems to be in order. Tell us about the "won't idle" - what exactly happens? Does it idle high, then die when the idle speed screws are adjusted? Does the engine run normally (as

?Sorry for the lack of details. Bike sat for 1.5 year Stored with Ethanol gas and Stabil Bike ran prior to storage Bike would not idle when brought out of storage. Assumed bad fuel which was

Scott/Kirk I wonder whether the problem isn't in the actual carburettor. Assuming that the carburettors was physically removed from the engine could it possibly be that they weren't fully put back in

Apologies if this has been sent twice…

I have found my ears manage to do as good a job of balance as any the various meters I have tried. It may be because I am half deaf and some of the extraneous noises just aren’t heard. Cheers,

This is the hot set up, no fancy electronics or mods needed - just air flow: https://www.amazon.com/Carburetor-Synchrometer-Meter-Latest-000124/dp/B07P32M7NV Best regards, Kirk Ratzel

Hi BillThat's disappointing.?These harmonisers are simple and quick to use, as well as accurate. I doubt they'd be available second hand either, other than via a deceased estate.Kind regards?Nick

Sold out. Sadly, no more on the way until a redesign happens. One of the critical parts is NLA. Bill in NH

You can even purchase the shorting gazinkos, but making them out of wheel spokes and nipples is gratifying: https://www.euromotoelectrics.com/product-p/carbsynctool.htm Mac Kirkpatrick Glenmoore, PA

Best I've used:https://katdash.com/harmonizer/Kind regards?Nick Ploeg?sunny NZ

Arguably the simplest, and by far the cheapest, is two insulated screwdrivers and two adapters that allow the spark plug caps to be connected to the spark plugs SECURELY, yet allow the spark plugs to

Building from Kirk's suggestion, I would love to hear group recommendations for a good carb balancer / sychronizer tool to use on the BMWs. Also best way to alternate between cylinders without having