Re: My race derived 350..THE ZRM 9445.. Project in Progress


i have stocked motul , i am on us spec blocks with Yamaha oem art pistons,, i want to take to the rd to next step of set up , so got one more fresh set of blocks, and will use prox pistons,, both Yamaha and prox are cast pistons, how ever as prox is made using the new generation metals and making technology i believe they perfom better then the 40 year old pistons

i am waiting for the fiber reeds and some good stuff, will post soon

Re: My race derived 350..THE ZRM 9445.. Project in Progress

Just found this thread... thanks for stirring up a few memories...

When I was in college in Texas (late 1980's), there were a number of RD's running around amongst my generally hooligan-ish associates (we were the ones out scouring the junkyards when we should've been in Chemistry class) - including a couple of absolutely perfect RD400's (one a Daytona Special) and a (derivative, water-cooled) RZ350. Along with the Kawi triples, these were all quite legendary amongst the gearheads I hung with. Having graduated and living in a metro, I could've bought from a friend a wildly ported, suspension-modded, and frighteningly fast unit (thoroughly uncontrollable wheelies, even with the longer 400cc swingarm), which I ultimately passed up on account of not feeling quite ready to die. Being older and wiser now, if given the chance, I'd buy it in a heartbeat .

Noted your "ZRM" registration with interest: There were dozens of these, many old and ragged, some pristine, and some extremely beautifully modified, in Mizoram five years ago when I was out there (getting married at the time!); One of them, in quite original condition, was offered to me at Rs15,000 at the time, and I kept thinking that if I hadn't just been married and had other things to do out here in H.P., I'd have done well to buy a whole truckload of the bikes and stockpile both them and the spares...

Well, last winter when I was out there again, I saw very few RD's around (though I finally met up with members of the newly-formed RD club and even got to ride with them a bit!) - I was told that dozens of the bikes were sold off to Bangalore, etc, in the past few years, so I guess I wasn't the only one with bright ideas! And I kind of regret not having gone forward with it - at least with that one bike!

Re: the smoke, I'm inclined to disagree - Not an RD expert by any means, but have owned quite a few 2-strokes over the years (including, at present, a 45-year-old chainsaw), and will say that in general a correct oil ratio running low-smoke 2T oil should be producing relatively little visible smoke. And people should not think that running a little less lube oil is going to make the engine wear out faster, either - all other things being equal, more oil in the mix actually makes the overall fueling LEANER - which means MORE heat, and MORE wear (if you don't believe me, check out some of the 2-stroke tuning/racing sites)!

Anyway, having ridden in a pack of about fifteen of these RD's heading out of Aizawl to a roundup point (I, sadly, astride my father-in-law's lowly FZ), I must say: Though I found the auditory sensations thoroughly intoxicating, I couldn't see the smoke as anything like a "feast", but as something more like lung cancer waiting to happen. Even being the owner of a vintage, modded KB125-RTZ (twisting the grip always brings a smile), the experience gave me a new appreciation for regulatory agencies and laws that effectively killed off these awesome old machines.

Too many ill-tuned old 2-strokes running around and the NGT will eventually take notice (no new ground here, the EPA made things miserable for a lot of people long before this)...

Regards and happy riding... (and don't be afraid to tune your 2T pump down a little - or for that matter maybe remove it entirely, in favor of a pre-mix; AFAIK, most racing 2-strokes did not use oil pumps; these were fitted to production bikes mainly for the sake of convenience at the petrol bunker).

-Eric

Re: My race derived 350..THE ZRM 9445.. Project in Progress


well that's a nice rewind of the past


I am running on premix and go by 35 ml per 1000ml petrol. I totally agree many two stokers think that is that don't smoke it is not right,,, I have removed the 2t pump and has a blocker installed that I got from the us

Re: My race derived 350..THE ZRM 9445.. Project in Progress

it was an amazing journey .11 months post rebuild.. and have clocked 850 miles .. have learnt about the bike a ton post rebuild which is no less than what i did while i was building,. so now i have got a new plan .. have been collecting some yummy parts and will start the build next week,, planing to lift the current 64.25 blocks running on ART pistons,,, i have a pair of std blocks and prox pistons will get them on the bike and have got fibre reeds,, forged aluminium reed spacers,, good pair of jets.. and many more

Re: My race derived 350..THE ZRM 9445.. Project in Progress

Fantastic work, Naveen. I was hooked onto this thread and have immense admiration for your passion and envy your deep pockets .
I recently finished rebuilding my Yezdi Roadking to factory stock and i understand the bitter sweet symphonies associated with this exercise. But i am now addicted and just finished procuring another Roadking to initiate a custom re- build (looking for a good fabricator in Hyderabad). Anyway, wouldn't want to hack this thread with the Roadking tantrums, will start another thread with a detailed write up soon.

I want to try the Motul 2T (although i have reservations on whether it will actually do any good on a 35+ year old machine), please do let me know where i can come across this stuff

Re: My race derived 350..THE ZRM 9445.. Project in Progress

great stuff naveen
it was an exciting read and its good to know
that ur still at it trying to improve.

i used to have a RD back when i was in india. i had to sell it
when i was leaving after finishing my studies. now i realize
what a huge mistake i made. i have a pair of R5 cylinders and heads
lying around in the hope i would build my own. thinking of selling them
as they are just lying around since 9 years

i hope to meet u in hyderabad someday and talk bikes.
good luck

Re: My race derived 350..THE ZRM 9445.. Project in Progress


hi pal sorry for the late response , will surely catch up when you visit hyd

Re: My race derived 350..THE ZRM 9445.. Project in Progress

After 3 years again went through this amazing thread. Waiting for further updates from the gorgeous ZRM...

Re: My race derived 350..THE ZRM 9445.. Project in Progress

firstly apologies for the delay in responding, i was a bit away from the forum due to being very occupied at work.


i have done quite good number of additions to the bike in fact i would say major and deep pocket upgrades.

she runs like a charm, always makes me proud and head turner

Re: My race derived 350..THE ZRM 9445.. Project in Progress

Was Invited by Yamaha INDIA for one of the events they have hosted and was recognized and appreciated by them.



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i would certainly like to discuses about all the changes and improvements made on the bike post build, will post some pictures and write down

Re: My race derived 350..THE ZRM 9445.. Project in Progress

Finally got the reg number i have been waiting for ages. i wanted a number that represents much of Yamaha.. got the FZ and being a rossi fan the 46

Re: My race derived 350..THE ZRM 9445.. Project in Progress

Lovely! Loved the Zrm though. Triple alphabet registration number is better but this is amazing! Congratulations

Re: My race derived 350..THE ZRM 9445.. Project in Progress

Congratulations naveen bro you are realy a bike maniac. Plz come out with the stories of your fz 46 post rebuild.

Re: My race derived 350..THE ZRM 9445.. Project in Progress


thank you bro,, the main reason i have made the decision to get local reg number ,, you never know what our governments might come up with some new rules. lol.. just wanted to be on the safer note

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absolutely buddy,, let me post a little video ,, i have opened the gas for the first time in the past three years ,, it is wickedly fast machine

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check out the acceleration

Re: My race derived 350..THE ZRM 9445.. Project in Progress

[MENTION=5241]naveen[/MENTION] bro your efforts for upkeeping your bike is realy great. I am restoring suzuki max 100 r and encountered countless problems eventhough parts are available. Plz share your after rebuild experiences in registering bike