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escheung 07-13-2009 01:12 PM

Need Help--Broken valve
Hi Everyone,

Newbie 2000 F4 750S owner here. I broke down on the freeway cruising about 70-75mph when something in the engine "popped" followed by a rattling noise. After getting it towed and having a mechanic look at it, we found a broken valve in cylinder 1.

I would appreciate any advice and suggestions on what's the best way to proceed. Repairing my existing engine seems to be a costly and time consuming affair. Anybody (CAG?) have access to used engines? It seems possible to install the 1000 engine if available, although Cooper3309 had some issues with the 1000R. I found someone selling a salvage title 2005 1000S. Can I just swap the engine, computer, and wiring harness (at the minimum) to make things work?

I appreciate everyone's input and help to get a fellow member get up and runnning again.

deeguy 07-13-2009 01:24 PM

Can you provide some maintenance history on the engine, how the bike was used, etc. Any other damage found other than just the valve? If its a bent / broken valve, you may have cam & piston damage as well. I've had to replace a valve in one of my engines before and the cost was cheaper than replacing the motor, granted nothing else was damaged.

escheung 07-13-2009 01:42 PM

I actually bought the bike from a fellow member. All the records are in place up the 7500mi service. I was just over 10900 when the valve went. My mechanic also noticed cylinders 3 and 4 were crusted with deposits and oil (the other cylinders were clean). We stopped at this point after determining the "main" problem. I figured I should get 2nd opinions and experienced advice at this point.

CAG 07-13-2009 03:23 PM

I have valves and 750 engine parts if that's what you need.

Send me a pm about a 1000 engine.

MV ROB 07-13-2009 05:02 PM

What all kind of parts are you needing, if CAG doesnt have it i might have something

sabinrace 07-16-2009 10:30 AM

I have the complet engine of 750s 2001 for parts on sale and I instal on me F4 the 1000r 2007 widouth the electric wire and computer. I use the 750 ECU and wires and it is working bath is very hard too chipet in low rpm. I liket very matck beacose I live in Romania and whee like too fuc.. the police.
If you need someting from me 750 parts or any help pleace contact me at [email protected]

cooper3309 07-16-2009 10:46 AM

The 1000 will bolt right in. If you want details on a engine swap, PM me

Penemase 07-16-2009 11:16 AM

Have you thought of trying to contact MV directly? This problem just seems so rare to be happening on a bike with such low miles. I contacted them about an Exhaust Camshaft problem and they just replaced it. Just a thought.

Ehcor 07-17-2009 08:44 AM

Try this 750F4 motor for sale on fleabay...

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