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Topics - AshimotoK0
Pages: 1 ... 46 47 [48] 49 50
707
« on: January 31, 2011, 08:11:14 AM »
Hi everyone,
I recently got some really nice oil hoses from a 1975 K model from the US .Very expensive but nice condition plus I got stung for import duty and Royal Mails fee. One hose is longer than my original K0 hose and ChrisR spotted this and told me they are probably from an F model (with the 392 part no not 300).
My K0 hose is 175mm between ferrules and the USA bought one is 195mm.
I appreciate that at one point in production the K model hoses were moulded to a curved contour to match the installation because of the straight hoses kinking and restricting oil flow.
The guy I bought them from is adamant they came friom a K oil tank not an F. Anyone know the differences? I need to clear this up with him ASAP. He does seem an honest guy though.
Cheers!!
AshD
708
« on: January 26, 2011, 07:14:47 AM »
Saw a thread on Pete's restoration of F2 but don't want to hi-jack his thread. Does anyone know the engineering procedure for grooving bearings like the Honda gearbox ones? I appreciate that these are C3 high speed bearings and you can get a standardd grooved type but the groove is too wide. Another option I have seen described on the SOHC site is to make a special modified half ring retainer which is stepped.
i have access to full engineering facilities part from centreless grinding.
I do appreciate you can get the special bearings from Honda so that's another (expensive) option. Well I am a Yorkshireman after all!!!!!
BTW just read the MCM 'Engine Analysis' from '74 which says not a sign of roller bearings in the SOHC 750 engine. They must have forgotten about the two caged needle roller bearings in the primary drive assembly?
Cheers!!!
AshD
Cheers
Ash
709
« on: January 24, 2011, 11:30:38 AM »
My 400/4 is to be featured in the March edition (available mid February) of Classic Motorcycle Mechanics Magazine. The article is written by Mark Williams the founder of 'Bike' Magazine.
Cheers
AshD
710
« on: January 09, 2011, 04:00:42 PM »
Looking for a really nice CB350 K0 1968-69 twin to restore after my 750K0 is finished (hopefully by the summer) must be completely standard and low mileage and don't mind importing one if it's nice. Cheers
Ash
711
« on: January 07, 2011, 10:17:18 PM »
Here is a link to a pic of my K0 'home made Alternator sub-harness, Can anyone tell me if the sleeving on the neutral switch looks correct for Sandcast/early K0. It's different to the Yamiya one but I reckon the Yamiya one is not faithful to the original. ChrisR kindly sent me a picture of a used early one. This has taken me almost a month of research to find the correct materials. I could not use the multi way connector supplied By Vintage Honda Connections because it was different to the original, so I ultrasonically cleaned an old one which has not 'scrubbed up' too badly. His crimps supplied with the multi way were correct though and fitted perfectly into a genuine shell. the outer sheathing is rubber and the braided sleeving (two sizes) is silicone impregnated woven glass. The sleeving ends are covered with clear 3-1 ratio heatshrink tubing (tape on the original I think) and the neutral switch eyelet is covered in a Raychem heat shrinkable, adhesive lined coupling sleeve. http://www.yamiya750e.com/index.php?main_page=product_info&cPath=21_58&products_id=73Watch this space for a correct 'home made' replica braided battery earth lead. The Yamiya one is definitely incorrect and a very poor copy, in my view. The correct cable has soldered lugs and a braided outer - multi strand inner http://www.yamiya750e.com/index.php?main_page=popup_image&pID=485This one looks correct though: http://cgi.ebay.co.uk/Honda-CB-750-Four-Sandcast-Massekabel-Original-/220632204569?pt=Motorrad_Kraftradteile&hash=item335eb44519#ht_500wt_725Cheers for now AshD
712
« on: December 30, 2010, 10:40:44 AM »
713
« on: December 08, 2010, 11:44:45 PM »
This is from an excellent old book . 'Honda -the Early Classic Motorcycles' by Roy Bacon Going to get my daughter some 70's cork wedge shoes off Ebay (she already has the top and skinny jeans!!and get her to pose next summer on my 400/4 !! Cheers AshD
714
« on: December 08, 2010, 11:40:12 PM »
Interesting articles. What happened to remaking parts to special order for old Honda models Cheers Ash
715
« on: November 26, 2010, 09:43:37 PM »
Hi,
Somewhere in the dimmest deepest past I read that you can bead blast the CB750 exhaust heatshields to make them look like the satin chrome of the early K0/Sandcast bikes. I have a brand new bright chrome set of these but seeing as DSS now charges 135GBP plus VAT for a pair!!!! I don't want to blast them unless I know its going to work out OK.
I seem to think it was in MCM Jan 1978, which I do have a copy of somewhere but in the deepest bowels of my loft somewhere.
Cheers
Ash
716
« on: November 23, 2010, 06:05:09 PM »
718
« on: October 19, 2010, 11:51:40 AM »
719
« on: October 13, 2010, 11:19:31 AM »
Hi,
I am sourcing 'O' rings to rebuild two Oil pumps I have. Are the originals Viton or Nitrile? If Nitrile are they 70 Shore A hardness?
( I am getting the small oil seal from David Silvers (the GoldWing type - Thanks for the info Bryan !!) but the 15x2 AND 46 X 2 'O' rings are really expensive from Honda
Also I think the o rings to use a later head gasket on a non-knock pin K0 sandcast head are 14 ID x 1.5mm thick (Viton) Can anyone confirm this please? Would a 'quad' ring be better, as I gather the unobtainium ones in the Honda bulletin were square section
Cheers !!! Ash
720
« on: October 05, 2010, 10:48:03 PM »
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