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Search results

  1. Shin-Ken 1074

    1981 GSX1100 Katana Based Project

    Weighed the 76mm pistons today and three of them are 216 grams and one is 214 grams. Time to get out the wet/dry oxide paper and the glass plate and get all the weights to match up. Another 6 grams off. 76 mm piston1 by Max Mutarn, on Flickr 76mm Piston2 by Max Mutarn, on Flickr
  2. Shin-Ken 1074

    1981 GSX1100 Katana Based Project

    Number 4 sleeve has been replaced with a new sleeve and machined to suit. I was hoping there would be some weight reduction going from 74 mm bore to 76mm bore and there was, a lot! The stock barrel with stock 74mm bore weighed 8080 grams, the same barrel with 76 mm bore weighs 7260 grams...
  3. Shin-Ken 1074

    1981 GSX1100 Katana Based Project

    Picked up the head and barrel from the engineering shop today. The head is looking pretty good now with its new 5 plane seats, ground valves, new valve guides, new valve stem seals, skimmed head face and the head finished in black gloss ceramic coating. 1197 Head1 by Max Mutarn, on Flickr...
  4. Shin-Ken 1074

    1981 GSX1100 Katana Based Project

    Update on the barrels, the replacement number 4 sleeve has been installed and machined and both the barrel and head are ready to be picked up. While the Kat has been off the road I've been able to modify a few parts to make them lighter, not a lot, but every gram counts and the running tally is...
  5. Shin-Ken 1074

    Maybe the most "cobbled-together" bike I have ever purchased!

    Would be interesting to see an image of the VIN plate and the wording. For the Australian market all Suzuki bike models from 1977 onwards were fitted with an aluminium VIN plate on the steering head attached with brass blind rivets.
  6. Shin-Ken 1074

    1981 GSX1100 Katana Based Project

    Had a phone call today from the engineering shop doing the work on the barrels, there is good news and some bad news. The good news - head and barrels have been ceramic coated and the five plane valve seating has been completed. The bad news - first three cylinders have been bored out however...
  7. Shin-Ken 1074

    1981 GSX1100 Katana Based Project

    Update on the parts, the people doing the ceramic coating have only just got back from SEMA and so the parts wont be ready for another week. Hope they enjoyed SEMA, what a show!
  8. Shin-Ken 1074

    81 GSX 1100 sidecover emblems

    Yeap, certainly some strange goings on back in the early 1980's regarding the "GSX" Suzuki badges. Seems every other market got the GSX badges but not the USA. There were a few stories making the rounds at the time for the why no "GSX" however, there is sure to be someone here who knows the real...
  9. Shin-Ken 1074

    1981 GSX1100 Katana Based Project

    I have seen some bike engines finished with ceramic coatings and I like the look and by some reports the hard wearing properties of the ceramic coating compared to engine paint. So there has been a delay with the head and barrel work to have the ceramic coating applied to the head and barrel...
  10. Shin-Ken 1074

    what did you wrench on today??

    Hi Steve, two contributing factors for the bad earth. 1) A build up of road grime, dust and rust over many years under the reg/rec earth point. Yes, regular cleaning of the earth point would be the way to go. 2) Suzuki using the electrical panel as the earth point for the reg/rec. The panel is...
  11. Shin-Ken 1074

    what did you wrench on today??

    Had planned to go for a ride last weekend on the Kat however, one slow wind on the starter motor and the battery was dead so no ride Saturday. Put the battery on slow charge for a couple of days and all seemed OK and went for a ride to a mates place. I was telling him about the flat battery and...
  12. Shin-Ken 1074

    Cylinder base gasket replacement

    Before going with a gasket replacement check the head stud nuts. Sometimes it can be the easy things that fix a problem, not always of course. Checking the head stud nut torque before diving into a gasket could be the solution, will only cost you a few minutes and no money.
  13. Shin-Ken 1074

    1981 GSX1100 Katana Based Project

    O.K. another step completed today. The head bolt posts have been milled back to new and the head is now ready for the new valve guides, seat cutting/matching valves and new valve stem seals to be installed. The same workshop is boring the barrels for the new pistons. I will be interested to see...
  14. Shin-Ken 1074

    1981 GSX1100 Katana Based Project

    Yep, not unusual and Plan A was to use a sealer but when my mate offered to mill it I wasn't going to pass on that deal. ;)
  15. Shin-Ken 1074

    1981 GSX1100 Katana Based Project

    Found the other source of the oil leak from the engine, the head stud posts where the copper washers sit under the stud nuts have been damaged, no longer keeping the oil on the inside. Spoke with a machinist today and he is able to mill the post tops and repair the damage. He is very busy (a...
  16. Shin-Ken 1074

    New here

    Like many riders here I have owned chain and shaft drive bikes and my 82 GS1100G was one of my favorites and to this day was the most comfortable to ride, great seat and riding position, no messy chain and ultra reliable. However, the trade off is weight, the 1100g is a heavy hitter and that is...
  17. Shin-Ken 1074

    1981 GSX1100 Katana Based Project

    Santa is early this year! 1197f by Max Mutarn, on Flickr
  18. Shin-Ken 1074

    1981 GSX1100 Katana Based Project

    Barrels off today, looks like the base gasket has been recycled one too many times in its previous life. Crusty carbon and oil in each of the chambers and oil fouled plugs. The plugs were new and installed 2,000km ago and to be in that condition there is a problem. Most likely a combination of...
  19. Shin-Ken 1074

    1981 GSX1100 Katana Based Project

    The engine rebuild parts have arrived, the engineering shop that is doing the valve work has been booked for next week so its time to make a start. Removed the head this morning, soo much easier to work on the engine when there is no airbox to wrestle with, the carbs took about three minutes to...
  20. Shin-Ken 1074

    anyone go for a ride today? Pics?

    Early Spring here in Oz, 16 degrees C, clear blue sky, no traffic, what a day! Ride Day a by Max Mutarn, on Flickr
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