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okscooter

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Everything posted by okscooter

  1. okscooter
    I could be the orings on Yamaha part #17 (Joint) are leaking. This part is behind the sparkplug held in place with a rollpin. There are 3 orings on it and made of plastic so be careful when removing. Its purpose is to move the coolant thru the head, kinda like a crossover tube with holes in the side. If the orings leak coolant is going to get in the oil. I had an extra 86 engine I completely tore down, what a learning experience. I removed the (#17 Joint) parts and had them as spares. Gave one away to a member, don't have the other. If I did I'd take pic of it for you so you would see what it does. You can go to Yamaha's online parts manual, its part #17. I'd try replacing the orings on part#17 before I'd pull the engine. The head gaskets are 3 pieces of laminated steel made together. When I first pulled a head I thought it had 3 head gaskets, its only one. I would think it would be hard to blow one of these. Just my .02cents.
  2. okscooter
    I installed HD Electraglide (straightcut tip) on my 88 Venture. Punched out the baffle, straight thru, not loud. You'll have to fab a piece to go between the collector and the muffler and a bracket to hang it. I should have never sold my bike, I miss it. [ATTACH]13709[/ATTACH]
  3. okscooter
    A pic of Mark's collector:
  4. okscooter
    I would buy or build a cylinder leakdown tester and pressurized each cylinder one at a time if you think its a head gasket. Remove radiator cap, bring the piston to TDC, valves closed, apply air pressure into the cylinder. If a head gasket is leaking into the coolant jacket it should bubble in the radiator. There is also another part that may be causing your problem. Yamaha parts finder calls it a "Joint", part #17, 26H-12469-01-00, on their diagram, its behind the sparkplug and held in place with a spring pin, there are 3 Orings on it. Its made of plastic and can be a real SOB to remove. If I remember right this also separates oil & coolant. Someone else may chime in here. I'd be surprised if its a head gasket, their 3 layers of steel plate laminated together to make 1 gasket. When I pulled the heads on my 86VR, I thought somone installed 3 head gaskets on it, its actual just 1.
  5. okscooter
    Both front wheel bearings are common bearing numbers, nothing special. The rear disc brake side wheel bearing is a common one also. The rear drive side bearing is a special needle bearing type, you'll have to go to the dealer for that one or use (Rick) Buckeye Performance. I had all the bearing numbers wrote down but can't find them. I'm in Okla. City, bought 3 of mine local, lots of places to get them. Pm me, I'll give you names and phone #'s. Don
  6. okscooter
    Bite the bullet and install your clutch the PCW Racing Vmax way. Get their heavy duty clutch spring, throw out the half size diameter friction disc, the small steel ring that's supposed to go inside that half size friction disc, the cheesy long wire that holds those two parts in, and replace that half size friction disc with another full size one. Your actually removing the (clutch damper) and replacing these part with one full size clutch (fiber) plate. follow the PCW instructions. This make a bullet proof clutch, its what I did. Make sure you install the fiber (cork) plates correctly, read manual or read here: http://vmax.lvlhead.com/tips/clutch.htm This guy is actually doubling up 2 clutch diaphram springs here. Call John, tell him what you've done so far, he'll walk you thru it. http://www.pcwracing.net/featured.htm
  7. okscooter
    Do you have access or know anyone who has a glassbead blaster. This works really well for deglazing the steel plates. Your profile says you have an 89VR, a single diaphram spring. Buy a heavy duty spring from John at PCW Racing, follow his instructions, it won't slip anymore. My 88 VR would lift the front wheel off the ground when I speedshifted to 2nd. Took a few Harley guy by surprise one day leaving a stoplight.
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