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Search: Posts Made By: Rob
Forum: Yamaha TZ, TD, TR and TA Discussion 07-14-2012, 08:11 PM
Replies: 11
Views: 12
Posted By Rob
Well if rumours are to be believed someone...

Well if rumours are to be believed someone certainly got the bridged inlet port right on the solitude yamaha back in 1980. It beat Mangs kawasaki to take the championship.
Forum: Later model TZ discussion 01-06-2012, 12:08 AM
Replies: 17
Views: 18
Posted By Rob
Cheers Grant. Thought I had it right and it was...

Cheers Grant. Thought I had it right and it was you but wasnt sure. Glad you thought the icgp racing was good, despite using up all the bad luck. Wonder how you found the kr350 by comparison to a tz....
Forum: Later model TZ discussion 01-05-2012, 09:33 AM
Replies: 17
Views: 18
Posted By Rob
Yes ok on the exactweld pipes. A friend of mine...

Yes ok on the exactweld pipes. A friend of mine has a set of L pipes that I think were made by exactweld. I am pretty sure he had someone copy them for him a few years back but unfortunately the...
Forum: Later model TZ discussion 01-04-2012, 10:21 AM
Replies: 17
Views: 18
Posted By Rob
Hi Rod, I would be interested in the 250L pipe...

Hi Rod, I would be interested in the 250L pipe specs also if you dont mind letting us have them. I have built some L pipes for someone that were for the seel barrels, but unfortunately when he also...
Forum: Yamaha TZ, TD, TR and TA Discussion 12-18-2011, 02:27 AM
Replies: 6
Views: 7
Posted By Rob
Hi Jools, I have fitted maxton shocks to more...

Hi Jools, I have fitted maxton shocks to more than one 750. Exactly the same problem as you have there. The spring diameter is much larger than the standard shock. I have done both mods . I...
Forum: The bar 12-15-2011, 10:30 AM
Replies: 75
Views: 76
Posted By Rob
Hi steve , the first 750 I raced was back in...

Hi steve , the first 750 I raced was back in 1982. It wasnt a particularely good engine, a bit of a nail to be honest but the tz500 and the mk 7 1982 rg500 were about the same speed as my 750. ...
Forum: The bar 12-14-2011, 09:47 AM
Replies: 75
Views: 76
Posted By Rob
Hi Steve Thanks for the comments. The...

Hi Steve Thanks for the comments.
The track is cadwell park. Pretty much the last time I raced my 750 at the end of 2009 season. I finished third behind Guy Martin and Lea Gourley.
They...
Forum: The bar 12-13-2011, 09:19 PM
Replies: 75
Views: 76
Posted By Rob
Hi Jools , yes the 150 avon is a bit too soft a...

Hi Jools , yes the 150 avon is a bit too soft a compound. However avon are now making that tyre in the same compound as the 170, and I am told it is quite a bit better.
I remember the pitman...
Forum: The bar 12-13-2011, 09:53 AM
Replies: 75
Views: 76
Posted By Rob
As for the groundclearance problems, because I...

As for the groundclearance problems, because I make the pipes I can assure you they are well tucked in. I also use the tz 500 fairing as that is a slimmer fairing where it fits around the bottom of...
Forum: The bar 12-13-2011, 09:46 AM
Replies: 75
Views: 76
Posted By Rob
Hi Jools, 34mm carbs but modified, Engine ported,...

Hi Jools, 34mm carbs but modified, Engine ported, my spec. Pipes are my pipes.
That dyno sheeet was from a customers bike that I developed for him. He as since sold the bike for quite a price.
...
Forum: The bar 12-13-2011, 06:47 AM
Replies: 75
Views: 76
Posted By Rob
Hope this works. Dyno sheet for the best 750...

Hope this works.

Dyno sheet for the best 750 I have done. This is a 750 with reed valve barrels not a 700 with 350g barrels

http://i155.photobucket.com/albums/s300/ow31/Scan.jpg

Bear in...
Forum: Yamaha TZ, TD, TR and TA Discussion 12-12-2011, 08:43 AM
Replies: 4
Views: 5
Posted By Rob
Hi Ross, there are a few pics in mike edwards...

Hi Ross, there are a few pics in mike edwards video from catalunya of Graham Veryhards tz with my pipes on it. Quite a good video, worth watching.
http://www.youtube.com/watch?v=zKqtwfT8ab0
...
Forum: Yamaha TZ, TD, TR and TA Discussion 12-11-2011, 11:24 PM
Replies: 4
Views: 5
Posted By Rob
Dont know about the lomas pipes. There are a few...

Dont know about the lomas pipes. There are a few guys running them at crmc and they seem to be ok. I can supply you a set of my pipes. These are the pipes that are run on Graham Veryards 350 at...
Forum: Yamaha TZ, TD, TR and TA Discussion 09-21-2011, 05:47 AM
Replies: 10
Views: 11
Posted By Rob
They will come out easily if heated with welding...

They will come out easily if heated with welding gear. Have taken them out of 250/350 cases and 750 cases with no problems. You dont need a great deal of heat so no problems with melting or...
Forum: Yamaha TZ, TD, TR and TA Discussion 09-20-2011, 06:30 PM
Replies: 10
Views: 11
Posted By Rob
Use some oxy/acc welding gear and heat the cases...

Use some oxy/acc welding gear and heat the cases where the mounts are pressed in. The alloy will expand much quicker than the steel surrounding the rubber mounts and you can push them out quite...
Forum: Yamaha TZ, TD, TR and TA Discussion 05-29-2011, 07:59 PM
Replies: 7
Views: 8
Posted By Rob
Ive never had any problems using the origional...

Ive never had any problems using the origional rings in nikasil bores. They dont last as long as chrome rings but they work fine.

However if you use chrome rings in the origional yamaha...
Forum: Yamaha TZ, TD, TR and TA Discussion 02-26-2011, 10:15 PM
Replies: 37
Views: 38
Posted By Rob
Can you tell me how it will be safer. Given more...

Can you tell me how it will be safer. Given more grip the quick guys will go faster and try to get to find the edge of that grip, wet or dry. Therefore when they do crash it will be at a faster...
Forum: The bar 02-21-2011, 02:06 AM
Replies: 15
Views: 16
Posted By Rob
In the uk, many of the 350,s are used with 250...

In the uk, many of the 350,s are used with 250 primary gears with no problems. When the F2 sidecar class was using just about all tz 350 motors, many drivers preferred to use 250 primary,s.
250...
Forum: The bar 01-26-2011, 10:10 PM
Replies: 8
Views: 9
Posted By Rob
It may only feed one bank of cylinders Greg as...

It may only feed one bank of cylinders Greg as the bank on the complete engine, ie:the one with the gearbox and clutch etc still attached may be fed by the origionall ignition which is mounted on the...
Forum: Wanted 12-09-2010, 09:31 AM
Replies: 7
Views: 8
Posted By Rob
I guess you already have the yamaha yokes for...

I guess you already have the yamaha yokes for these fork legs. If so check them as I think you will find they are 36mm bottom yoke with 35mm top. The fork legs taper down in size between the top and...
Forum: Yamaha TZ, TD, TR and TA Discussion 10-20-2010, 03:20 AM
Replies: 5
Views: 6
Posted By Rob
Origional yamaha chrome barrels when new before...

Origional yamaha chrome barrels when new before being run are not a shiny polished finish but are a matt grey finish. They only achieve the polished chrome finish after they have been used.
If...
Forum: Yamaha TZ, TD, TR and TA Discussion 03-27-2010, 08:50 PM
Replies: 14
Views: 15
Posted By Rob
Lea uses 100% avgas in his bike with the cylinder...

Lea uses 100% avgas in his bike with the cylinder heads cut to suit. Personally I run an avgas /unleaded mix as I am not running as high a compression ratio. A friend of mine tested 100% avgas and a...
Forum: Yamaha TZ, TD, TR and TA Discussion 03-10-2010, 11:19 PM
Replies: 12
Views: 13
Posted By Rob
I guess thats a 50/50 mix. Also what ignition and...

I guess thats a 50/50 mix. Also what ignition and at what timing.

Measured with top end assembled:
16 cc top of plug hole, minus approx 2cc for plug hole giving a volume of 14 cc. Approx 13.4...
Forum: Yamaha TZ, TD, TR and TA Discussion 03-07-2010, 05:02 AM
Replies: 3
Views: 4
Posted By Rob
There is a gentleman in the uk who has had copies...

There is a gentleman in the uk who has had copies of the origional monoshock frame made. As far as I know at least one of these is now out in Aus being built into a bike. Paul Allender has used one...
Forum: Yamaha TZ, TD, TR and TA Discussion 02-19-2010, 08:23 AM
Replies: 19
Views: 20
Posted By Rob
Are you sure it wasnt the other way around. The...

Are you sure it wasnt the other way around. The dunlop is a better dry tyre but does take a bit more warming up than the avon. We have quite a few of the quick guys who have crashed out on the warm...
Showing results 1 to 25 of 74

 
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