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Another Twinky project https://ausmini.com/forums/viewtopic.php?f=5&t=93407 |
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Author: | Mokesta [ Wed Aug 10, 2016 9:06 pm ] |
Post subject: | Another Twinky project |
So a couple of weeks ago somebody was advertising a BMW K bike head. I considered bidding and then thought "I reckon I might be able to get one closer and maybe cheaper". I was also thinking "Matt Read doesn't really rate those Pearce 7 port heads but loves the Twinky". So I did the usual Ebay and Gumtree searches and found a whole K1100 engine about 20 minutes drive away. It had done 90,000 km ans was a 1994 model. I don't really know why but I sort of bought it on a whim. No sooner had I posted that I bought it than a member on here PM'd me to ask if I'd like to buy the Specialist Components conversion kit for it. Well yes I would! http://twinkam.co.uk/epages/191f6b26-60 ... cts/SCK003 He also had some of the optional parts that should come with the kit but don't. It seemed the world wanted me to do a Twinky! I then got on to SC and got their build guide, the hose kit, the extractors and dip stick. To be honest, the build guide is a poor effort for the money. About half the pages are there to sell you a kit, not tell you honestly what to do and what to look out for. There are important bits that are described differently on different pages and bits that are barely discussed at all. Searching the UK forums reveals the many traps that await. I think I will buy Matt Read's version so I can know a bit more. So with the engine sitting in the way I needed to get the head off so I can put all these parts away until my current projects are finished. Barely a mark on the cams or followers The water jacket is completely clean, like new. I had to take it to a mate's shop to get the head screws out. Big bar was needed and I didn't have a T50 Torx socket. Luckily the engine weighs less than 60kg. Can't be seen in this shot but the bores still have all hone marks. The BMW bike boys would cry! Once I had it apart I offered up the SC block drilling template: Oil passage in the head doesn't line up with the block drilling template. This is one area where the book is lacking. Turns out this hole lines up with the block and the template is for re-drilling the head... Here's how the BMW gasket lines up with the drilling template. Here's how the BMW gasket lines up with a 12G940 head. You can see the bore spacing isn't the same but it is so close! And finally, here is what the SC exhaust looks like when offered up. Reading the UK forums tells me this will go too close to the bulkhead. I think the primaries can be shortened where they meet the head. A little bit of cut and grind and I should get 15mm more clearance. This is going to be my next project. I think I will go 1293cc and NA. It will get the Haltech ECU on it. I'd like to start very soon but I have to get the dark blue car's engine back together with the thrusts fixed. I also need Matt to re-build the Moke's engine before he can have this one. Mental note, call Matt tomorrow to find out Moke engine progress. Stay tuned. M |
Author: | timmy201 [ Wed Aug 10, 2016 9:17 pm ] |
Post subject: | Re: Another Twinky project |
Very nice! |
Author: | MiniBrad [ Thu Aug 11, 2016 5:45 pm ] |
Post subject: | Re: Another Twinky project |
Looks good. Brad |
Author: | Hobson [ Thu Aug 11, 2016 7:11 pm ] |
Post subject: | Re: Another Twinky project |
Good luck have fun. |
Author: | simon k [ Thu Aug 11, 2016 7:56 pm ] |
Post subject: | Re: Another Twinky project |
thanks for the detail on the photos, answers some questions I've had - what did the K1100 engine cost you? |
Author: | Mokesta [ Thu Aug 11, 2016 8:57 pm ] |
Post subject: | Re: Another Twinky project |
I paid $380. The seller has lots of K bike stuff and told me he had given away two K100 motors recently. |
Author: | simon k [ Fri Aug 12, 2016 1:54 pm ] |
Post subject: | Re: Another Twinky project |
Mokesta wrote: I paid $380. The seller has lots of K bike stuff and told me he had given away two K100 motors recently. bloody hell!! what's his number? |
Author: | RetroStyle [ Fri Aug 12, 2016 3:08 pm ] |
Post subject: | Re: Another Twinky project |
This guy has a heap of stuff too (that I am watching to see if anything comes up of interest, but a touch more expensive than the above ... http://www.ebay.com.au/usr/moto.genn?_t ... 1438.l2754 Complete engine seemingly minus injection (sold separately.....) - lots of kms on it though ... http://www.ebay.com.au/itm/281807843792 ... EBIDX%3AIT |
Author: | Mokesta [ Fri Aug 12, 2016 4:32 pm ] |
Post subject: | Re: Another Twinky project |
Somehow I ended up on the mailing list for JustJap in Kirrawee. Last week their email showed a K1100 bike under the "arriving soon" heading. |
Author: | RetroStyle [ Fri Aug 12, 2016 5:01 pm ] |
Post subject: | Re: Another Twinky project |
Also see http://www.autotrader.com.au/motorcycle ... JBW3742848 ... You could flip what you dont need pretty easily. That is the direction i'll be heading. Sent from my SM-G900I using Tapatalk |
Author: | kiwiinwgtn [ Fri Aug 12, 2016 8:19 pm ] |
Post subject: | Re: Another Twinky project |
Mokesta wrote: I paid $380. The seller has lots of K bike stuff and told me he had given away two K100 motors recently. Bargin Is it going into a Moke |
Author: | Mokesta [ Fri Aug 12, 2016 8:23 pm ] |
Post subject: | Re: Another Twinky project |
simon k wrote: Mokesta wrote: I paid $380. The seller has lots of K bike stuff and told me he had given away two K100 motors recently. bloody hell!! what's his number? He is on Gumtree if you search K1100 in Westlake (Qld) and his name is Mark. Really nice old guy, almost teared up when I told him what I was going to do to his perfect motor! M |
Author: | Mokesta [ Fri Aug 12, 2016 8:27 pm ] |
Post subject: | Re: Another Twinky project |
kiwiinwgtn wrote: Bargin Is it going into a Moke Nope. It will go into the light blue 850 I have been building for years. The Moke is getting its MG Metro engine back and the dark blue 850 will keep the engine it came with. Yes, I have three empty engine bays in my shed M |
Author: | zulu_warrior1976 [ Sat Aug 13, 2016 2:41 pm ] |
Post subject: | Re: Another Twinky project |
Love those graphics of the 3 minis in your footer! How did you do that? |
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