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This thing has been occupying my lift for the past 5 years as I struggled to muster the motivation to finish powder coating the engine following a transmission rebuild (failed 2nd gear). It's 1985 serial # 1170. So happy it's finally done and I can get on to other projects with the luxury of...

The popular replacement to the OEM spark plug boots has been NGK SB05F, but unfortunately they've been discontinued are are no longer available. Does anyone have experience with alternatives that have worked well for them?

Weld broke mid build...this is going to be tricky.

I have 3 sets of silicone coolant tube o-rings available. I also have 3 sets of Viton rings available, but their durometer makes them difficult to seat in the cylinder head. They will be shipped via a first class envelope. 1 set = 6 orings. Let me know via DM if you're interested. $5...

This nut was in the bag with my oil distribution banjo fittings (between the cylinders), but I cannot remember where it goes and I can't see it in the parts diagrams. Anyone have an idea where this M6x1.0 nut is supposed to go?

Does anyone know the specs for the three orings that go on the coolant tube that fits in the middle of the cylinder head? I bought a gasket kit which has a pile of orings, but no identifiers of what goes where. Many of these orings are similar in size, so I want to be sure I get them in the...

Can someone remind me where this piece goes? Looks like its to support (or locate) a hose...perhaps the battery vent hose? It was in with my oil pan hardware, but I cannot find a reference to it in the manual or in any of the pictures I can find on the 'net.

Anyone happen to have one of these in their spare hardware box they're willing to sell? Apparently mine got twisted when I disassembled the engine. As you can imagine, it doesn't line up now for re-assembly. Edit: Looks like it's the same part for a Venture...if that helps...

The picture in the publicly available manual is not very clear. I'm trying to align the balancer shaft and crankshaft, but unfortunately they both indicate a specific tooth instead of a tooth and root. Can someone verify whether this alignment is correct, or whether I have it one tooth off?

Anyone happen to have a spare set (8) of valve spring seats? I some how managed to lose a set from my ‘85 restore project. Only thing I can think of is that I must have missed removing them from the head prior to having the paint stripped. They’re probably sitting at the bottom of a chemical...

Looking for a replacement alternator cover. Mishap with the paint stripper left pits in my original '85 alternator cover. Anyone have a spare they're willing to part with? I shouldn't use this one on my '85 restoration project. Thanks for your help!

This is a 1988 model year that I've owned and ridden for the past 3 years. I bought it to ride while I performed a full restoration on my 1985 Vmax, but now need to part with as riding it is keeping me from getting the '85 done. This bike is mostly stock with some upgrades and replacements...

Anyone found a good match for the '85 (and later models) engine paint "Yamaha Low Gloss Black" in powder coat? I recently realized that Yamaha didn't use the same black paint on all of their engines, and I've mistakenly used high gloss black on several parts. I'd like to start over with a...

I've had a significant setback in the restoration process for my '85 Vmax. I am in the process of rebuilding the engine (2nd gear fix) and I paid a friend with a powder coating business to strip the paint from the engine parts. Most came out well, but for unknown reasons (I have my...

I replaced my faulty stock 1988 TCI box with a "TCIP4 Full" Ignitech unit. The unit was pre-programmed at Ignitech to match the stock box performance. It looks like these things have some serious versatility. Question for the group...I'm planning to keep the bike in stock form...is there any...

I'm in the process of rebuilding the engine from my '85 (2nd gear repair). When I pulled the pistons/rods, I put them in individual bags with tags identifying which holes they came out of. Unfortunately, the residual rust protectant I had on them dissolved the ink I'd used on the tags. Stupid...

Does anyone have a set of these they'd be willing to part with? If so I'd appreciate it if you could hit me up with price+shipping to 50643. Thanks, Chris

Does anyone know whether the OEM spark plug caps are resistor or not? If so, what resistance? I've purchased some aftermarket NGK caps (SB05F) w/ 5kOhm resistors and I'm trying to figure out whether they pair up properly with the OEM NGK DPR8EA-9 resistor plugs or whether I should get the...

I just received a eBay purchased tire advertised as "Brand New". While it is certainly unused, the manufacture date is week 19 of 2018. I have several motorcycles I ride and tire life is determined by time and not wear as I don't put much more than a couple hundred miles on each per year. I'm...

Strange situation that has me perplexed. My '88 Vmax will idle reasonably well, but it's only running on the front two cylinders. When you crack the throttle it stumbles a little, but then the rear two cylinders start firing and it rapidly climbs RPM. I've pulled each spark plug cap...