My K75S needs Valve Surgery

burnszilla · Jun 10, 2006

Engine, tranny and driveline are in place. The rest of the bike has to go back together Saturday morning starting at 9am. Just got back from a wonderful dinner at Cafe Cruz with Ned & Sarah, Dave Brick, Conrad, Jon, and Darryl.

Let's hope the engine starts.

kbasa · Jun 10, 2006

Burnszilla said:
Engine, tranny and driveline are in place. The rest of the bike has to go back together Saturday morning starting at 9am. Just got back from a wonderful dinner at Cafe Cruz with Ned & Sarah, Dave Brick, Conrad, Jon, and Darryl.

Let's hope the engine starts.

Arrrrrrrrgggghhhhh!

burnszilla · Jun 11, 2006

Operation successful. The new engine started after 2 cranks. I will post photos tomorrow.

Only problem now is that my radiator is leaking along the seam on the right side. I took it apart and put RTV on the gasket and resealed it. We'll see if that fixes it.

It just never stops.

USERNAME · Jun 12, 2006

Burnszilla said:
It just never stops.

of course, the other choice is to buy a new bike and then complain about how all the electronic doo-dads make it impossible to work on.

aren't there more photos?

jdiaz · Jun 12, 2006

username said:
of course, the other choice is to buy a new bike and then complain about how all the electronic doo-dads make it impossible to work on.

aren't there more photos?

There are WAY more photos. Be prepared for modem meltdown later.

burnszilla · Jun 12, 2006

Success!

All I've got to say is thanks to DarrylRi and Jon Diaz for helping me replace
my engine. These guys are great! We had a lot of fun doing this job.

DarrylRi. Removing the old engine...

Jon Diaz...

Before Room Temperature Vulcanization-izing the oil pan...

Crank case cover gasket installation..

Jon getting high off of all the carb cleaner fumes...

New engine in place..

Day 2..
It started up after 2 cranks.

All the Photos Here

knary · Jun 12, 2006

Jon's belly kinda looks like a K75 tank in profile... :hug

BUBBAZANETTI · Jun 12, 2006

nice work man!

jdiaz · Jun 12, 2006

I had a lot of fun flying out for this. Burnszilla definitely knows his way around his motorcycle (I was mostly shop decoration, as you can see from the pics) and dealt with all the the parts we broke/stripped with a smile.

And thanks to Darryl for the hospitality and the Flinstones-style rib feed on Saturday!

warthog · Jun 16, 2006

High Altitude

It's just a true jumper to the computer. Open circuit for sea level, closed for high altitude.

God, I love this place ....it's better than the Discovery Channel.

I live in Colo Springs (approx 6500' above sea level) and did not know that.

Assume that the 91 K100 could be modified as well?

PHMARVIN · Jun 17, 2006

Hi, Don,
The 2-valve bikes (K75 and K100/8valve) can use the high altitude plug. The 4-valve bikes (Motronic engine management system) do NOT use the high altitude plug. I believe a '91 K100LT still has the 2-valve engine so, yes, at your altitude you should have the plug. If you don't, your dealer will be happy to sell you one. They aren't too expensive. The last one I bought was under $10, but that was almost 3 years ago. Your wiring harness has a cap on the connection. Your local dealer should be familiar with these and can show you where the plug is installed in the wiring harness.
Ride Safe,

My K75S needs Valve Surgery

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