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I was worried the ecu had diodes in it that got blown thus completely frying it. I suppose if I had not realized my mistake immediately after touching the ground terminal to the positive side that it would have just continued to blow fuses had the main fuse not blown first but instead it blew...

My lesson was learned but I should have known better. I will definitely remember this mistake.

My max is back up and running and it ended up blowing the main fuse and the electronic throttle valve fuse in fusebox 2 under the right panel next to the seat. Thank you all so very much for the help and this guy won't be making such a rookie mistake like this one from now on.

It was the EVT fuse that was blown along with the main 60 A fuse that I had already replaced. Thank you for the input and help! She's back up and running but I'm going to give my max a good run through to make sure nothing else got damaged.

Where exactly is fuse box 2 located? I can't seem to find it on my max...

I ran diag mode but the number 60 appears on my digital display in place of my mileage indicator. I ran diagnostic mode but it doesn't show any error codes.

Those are my next steps. Thank you for the reply!

Thanks for the kindness my friend. Still kicking myself over this one 🤦‍♂️

Okay guys, I made a major screw up installing a new motobatt in my 09 vmax and hooked up the battery backwards (I know it was stupid but I was in a hurry and not paying attention) and now I can't get my max to start after replacing the main fuse which blew... I really hope I didn't brick the ecu...

2003 yamaha vmax 1200 for sale in nw Iowa. Engine was built by Sean Morley and completely rebuilt with new bearings rings and seals and a heavy duty overdriven oil pump. The transmission was rebuilt with hardened and undercut gears and a 5th gear overdrive was added for low rpm highway cruising...

It looks to me like the short block is going to be a more fiscally viable solution to my problem. How do you do this then? Just $600 and you send me the engine (my heads are in great shape and I just checked the valve clearances so I would prefer to keep them. My transmission was upgraded by you...

So what your basically saying is you have to be conscientious of your engine more (kinda like if you have an air cooled bike you want to pay attention to it constantly as far as temperature goes) also do you run through the short blocks you sell to make sure they will last? Sent from my...

Just curious but why don't these engines last after replacing a crankshaft? Sent from my SM-G920V using Tapatalk

I can get a used crank for around $300 on ebay plus a new rod for like $130 I think and I want to put new rings in it as well. My engine did not sieze or anything but it was knocking very faintly just before I took it apart. How much do you charge for a short block? Sent from my SM-G920V using...

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Will the heads go on without any machine work? This is the first time they have been off to my knowledge last time I took my engine apart earlier this year I left the top end intact to fix the transmission. Sent from my SM-G920V using Tapatalk

Hey all, I have a 2003 vmax that spun a rod bearing and the crank is now junk. My buddy had a 1989 or around that year vmax and he decided to part it out and let me have the crankshaft out of it in exchange for me taking it apart (I've taken my engine apart before to get my transmission fixed of...