rear sub frame replacement ?

gt750jim · Post by **gt750jim** » Sun Nov 06, 2011 10:59 am

hi i have a 1969 series 2 2+2 and the rear subframe is rotten i have been told that the early s type and 420 cage will fit and i have been told the xj6 and xjs cage will fit with some mods i know the s type and 420 have the same track as a s3 v12 but the xj6 and xjs are even wider has anyone any idea if any of these will fit even if mods are needed ? i know it would be best to buy a repro cage but i am one of the few poor people who run a e type

PeterCrespin · Post by **PeterCrespin** » Mon Nov 07, 2011 1:19 pm

If you just need to swap the cage you can use any of them and apart from the captive nuts of the handbrake compensator or a few changes to do with caliper access etc you should find the cage swaps over OK with a bit of fiddling. The wishbones and half shafts would not but are presumably not rotten to the point of being useless, as they are so robust?

Pete

gt750jim · Post by **gt750jim** » Mon Nov 07, 2011 5:19 pm

thats great just what i wanted to hear xj6/xjs cages are ten a penny ! as so as you say e type the price seems to magically x10 i was buying some front indicator lenses last time at the jag spares day and they wanted ?40 each so i went to the next stall and bought xj6 lenses for ?6 new ! they are the same dam thing ! so thanks for your help we should start a page of what fits what so we all get ripped off less

john wyatt · Post by **john wyatt** » Sun Dec 04, 2011 9:52 am

What does the GT750 in your username relate to?

gt750jim · Post by **gt750jim** » Sun Dec 04, 2011 11:36 am

i used to have a bit of a lot of suzuki 750 two strokes , i am feeling better now

john wyatt · Post by **john wyatt** » Thu Dec 08, 2011 10:09 pm

Must have been beasts, one on my dream list is a SAAB GT750, thought it was unlikely that was your connection!

PeterCrespin · Post by **PeterCrespin** » Thu Dec 08, 2011 10:47 pm

john wyatt wrote:Must have been beasts, one on my dream list is a SAAB GT750, thought it was unlikely that was your connection!

They were squidgy tourers unless tuned to the max, at which point handling and fuel consumption went to pot. I fitted the big front drum brake of one to my first race bike.

Interestingly, the firing impulses of an in-line triple two stroke are identical to an in-line six cylinder four stroke, like our favourite XK. No wonder the Suzuki water-cooled 'kettle' was a real smoothie.

MarkE · Post by **MarkE** » Thu Dec 08, 2011 11:39 pm

I always loved the two stroke triples, and had a mad fling with an H2 750 Kawasaki in my youth. It was blindingly fast in a straight line, but with the frame having the torsional rigidity of a liquorice allsort, and the rayon tyres having no grip in the wet, it was a challenge to stay on. I eventually lost the challenge one damp day when I became far more intimate with a lamp post than is healthy.

I also remember it having disc brakes, which were impressive in the day. Unfortunately the discs were chromed, so like the tyres they didn't work much in the rain either!

Finally, it consumed fuel at a rate that made the V12 E type look frugal, with journeys greater than 40 miles having to be planned carefully.

The sound was fantastic, the smell of the 2 stroke intoxicating, and I have chimpanzee-length arms from hanging on......I really fancy another one now!

gt750jim · Post by **gt750jim** » Fri Dec 09, 2011 8:26 am

i sold my tr750 (the race gt750) a proper crome molly framed beast just before the market became interested in classic race bikes ! if i had it today it would sell for more than my e type :x the disc brakes from the h1 h2 and gt750 were all stainless steel and they all had single piston calipers i have never seen a worn out disc from any of these bikes the brakes are just that bad !

PeterCrespin · Post by **PeterCrespin** » Fri Dec 09, 2011 10:16 am

Amazing how many motorcyclists there are in the ranks of E-type owners. No wonder really - with spoked wheels, twin alloy cam covers, multiple carbs and exhausts, plus tubular frames, the E-type is home from home. It was also road tested along broadly the same lanes and bits of A45 as the Triumph bike testers from the other side of Allesley in the next village of Meriden.

Thanks to the Admins for giving us leeway to trundle down Memory Lane on two wheels.

gt750jim · Post by **gt750jim** » Fri Dec 09, 2011 1:35 pm

back on subject i have got the tape out the e type cage in much narrower than the xk6 xjs cage and the top shock mounting points are much closer together on the e type so it will not fit unless it was very modified/narrowed etc so doh ! who ever it was who said the are interchangeable early in this post was incorrect

PeterCrespin · Post by **PeterCrespin** » Fri Dec 09, 2011 10:02 pm

That was me probably. Sorry about that. I'm sure I've seen a swap described in one of the mags because they cut the front away for caliper access and fitted strips of metal from top to bottom to restore structural integrity. I have an S-type IRS and E-type IRS side by side in the barn and they look the same. Havent't put a tape on them to the millimetre though.

gt750jim · Post by **gt750jim** » Fri Dec 09, 2011 10:29 pm

s type is the same width as a mk111 v12 as is the 420 (not the 420g) hmm that must be why i cannot get a cage you are hording them all !!! lol

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rear sub frame replacement ?

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