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TECHNICAL MOTOBRICK WRENCHING In Remembrance of Inge K. => The Motobrick Workshop => Topic started by: KKKevin on September 29, 2015, 02:08:37 PM

Title: I screwed up...big time
Post by: KKKevin on September 29, 2015, 02:08:37 PM
  :riding::falldown:
I ignored my low oil pressure light because I thought it was just a bad switch, ended up blowing the motor.  Lucky to be alive, as I was in an express lane when it happened, but very upset about what I have done to my bike.  How big of an undertaking will it be to put a new engine in? Where should I go to find one?  Should I even bother?  are there any guides for this type of project?  Any help is appreciated, thank you.
Title: Re: I screwed up...big time
Post by: drut on September 29, 2015, 02:19:26 PM
Your location would help people to advise you and the model of K you have might also help.
Title: Re: I screwed up...big time
Post by: KKKevin on September 29, 2015, 02:48:15 PM
Sorry 1985 K100 RS and I'm in Chicago
Title: Re: I screwed up...big time
Post by: drut on September 29, 2015, 03:19:06 PM
Sorry I can't advise re cost/availability of engine as I am in UK.Engine removal is not too difficult if you are mechanically minded.Although for a K75 this will give you an idea of what's involved

https://www.youtube.com/watch?v=HrFQVD9ikPU
Title: Re: I screwed up...big time
Post by: johnny on September 29, 2015, 03:22:37 PM
greetings...

lotts of nice motobricks for sale in the chicagoland area...

i would part out the 85 and score another one...

there is a guy in south east wisconsin that has one for sale... it needs nothing but a new home...

http://www.motobrick.com/index.php/topic,6970.0.html

j o

Title: Re: I screwed up...big time
Post by: K75RT Keith on September 29, 2015, 04:00:56 PM
You can always check ebay and craigslist for a motor or a donor bike.
Title: Re: I screwed up...big time
Post by: F14CRAZY on September 29, 2015, 04:14:44 PM
Motors are cheap and plentiful as they almost never go bad. I've talked to a parts supplier and he said he's got stacks of K engines and will have to scrap some sooner or later...actually he's in the Brighton, MI area...I'll message you his number
Title: Re: I screwed up...big time
Post by: koapono on September 29, 2015, 04:29:39 PM
sent you a PM
Title: Re: I screwed up...big time
Post by: johnny on September 29, 2015, 04:39:25 PM
itsa 85... lotts of changes 85 to 86 model year... that 94 is looking like the deal...

j o
Title: Re: I screwed up...big time
Post by: KKKevin on September 30, 2015, 12:56:55 AM
Thanks for all the help everyone, will keep you guys posted on whats next and will be back with loads of questions as the build gets under way.
Title: Re: I screwed up...big time
Post by: KKKevin on October 06, 2015, 12:25:53 AM
If I'm going to go through with this engine swap, would a 16V engine swap (or any other more powerful motor) be any more difficult?
Title: Re: I screwed up...big time
Post by: drut on October 06, 2015, 04:36:39 AM
To be blunt,if you want a more powerful K it would make a heap more sense to buy one and break yours for parts.Just my take on it.
Title: Re: I screwed up...big time
Post by: Tuco on October 06, 2015, 06:37:30 AM
+1 on what jo and drut said.
Al
Title: Re: I screwed up...big time
Post by: Scott_ on October 06, 2015, 07:33:29 AM
To be blunt,if you want a more powerful K it would make a heap more sense to buy one and break yours for parts.Just my take on it.

+1

Title: Re: I screwed up...big time
Post by: The Mighty Gryphon on October 06, 2015, 09:30:38 AM
+1  There's a lot of changes to the 16V engine control system that would require changing a number of peripheral parts and probably the entire engine harness.  Things like the ECU, Air Box, and exhaust, to name a few.

Without being greedy with your pricing, you could get a significant portion of the cost of a replacement bike out of the old one and have some spares left to support the new one.
Title: Re: I screwed up...big time
Post by: KKKevin on November 06, 2015, 03:24:00 PM
Correct me if I'm wrong, I can only use a '85 2V engine?
Title: Re: I screwed up...big time
Post by: drut on November 06, 2015, 03:34:23 PM
"Correct me if I'm wrong, I can only use a '85 2V engine?"

2V engines ran from 85 to 89-90 in the UK and I think could be fitted without major issues.However I do know there were differences between the 85 bikes & later models.Others on the forum have much more knowledge on the 2V engines than me & will advise you better.
Title: Re: I screwed up...big time
Post by: Tuco on November 06, 2015, 04:37:28 PM
Here are the differences I think, but double check. Tank is different,tail and seat, something about the final drive/driveshaft, spline count I think, water pump. Thats all I know about, the rest of yous can add to. With all that being said, get a 85-89 motor for sure if you feel you need to keep that particular bike. Otherwise, get another one.
Title: Re: I screwed up...big time
Post by: tsnap on February 05, 2016, 02:12:20 PM
What is the outcome of this?

and is there a convenient spot to mount an oil pressure guage, just in case  light begins to flickerbrauten?

tom