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CMR racing products F1 frame

Started by Indiana jones, November 22, 2018, 06:36:40 PM

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Indiana jones

Ignition, tranny and clutch.
Motor in this weekend, hopefully.
BMW R1150GS,XT600 Tenere,FJ1100 bobber, Ducati 999 BiP x 2

JMR

Quote from: Indiana jones on April 18, 2019, 07:15:45 PM
I've been chatting to Roger Winfield about the best pistons, etc.
His super reliable motors run std xjr13 pistons in std bores with zero problems. Any engine failures have been attributed to pushing things a little bit too far in the revs.
I'm pretty sure he's run an engine for 2 seasons and a precautionary strip revealed minimal wear.
I'll be hoping to get around the 140hp mark with head work,full system, stage 1 Yoshi cams, Mikuni 38 flats and a Dyna ignition.
I have a beautiful lightened crank but I think this will have an adverse effect on power delivery.
I have some Nova close ratio gears to help close up the gaps between gears.
I'll be using a Barnett spring conversion till I can afford a Sigma slipper unit of work out how to convert a zx10r clutch, apparently super reliable and smooth.

You should get 140 HP without much hassle. I had 130 RWHP with a stock 87 FJ1200 engine that had Yosh Stage 1 cams, RS-38's and a Hindle 4-1 pipe. I set lobe center at 105 both intake and exhaust. I set the lobe centers at running lash....forget trying to get zero lash. Just subtract the lash from your opening #s. i.e. at zero lash intake suppose to open at 20 degrees BTDC. With .005" of lash the intake will open at 15 degrees BTDC.
And I agree....forget the lightened crank....I could go on about it but I won't.
The spring conversion kit is OK...I use 3 stiff and 3 lighter springs I sourced through Barnett. Clutch pull very reasonable but it holds 160 RWHP.

Indiana jones

Xjr1300 engine just to get up and running.
BMW R1150GS,XT600 Tenere,FJ1100 bobber, Ducati 999 BiP x 2

racerrad8

Quote from: Indiana jones on April 18, 2019, 07:15:45 PM
I have some Nova close ratio gears to help close up the gaps between gears.

Interesting, can you offer the new tooth count for the gearing?

That might be something to look into for the future.

Randy - RPM
Randy - RPM

andyoutandabout

Here's something everybody can enjoy.
So far, there's nothing I don't like about this project.
Reminds me of a Harris special or those super saucy moto Martin kits they made in very limited numbers for the cbx sixers. Or even, dare I say it, the bimoto yb whatever it was.
Good luck with the build
life without a bike is just life

Indiana jones

Quote from: racerrad8 on April 29, 2019, 07:08:33 PM
Quote from: Indiana jones on April 18, 2019, 07:15:45 PM
I have some Nova close ratio gears to help close up the gaps between gears.

Interesting, can you offer the new tooth count for the gearing?

That might be something to look into for the future.

Randy - RPM

Not sure how big a difference there will be.
Apparently the teeth are "stretched " to achieve the ratio change.


BMW R1150GS,XT600 Tenere,FJ1100 bobber, Ducati 999 BiP x 2

Tuned forks

No wonder we are trying to shift into 6th gear.  5th gear is not a 1 to 1 ratio.

Joe
1990 FJ1200-the reacher
1990 FZR 1000-crotch rocket

Indiana jones

I'm failing miserably to get 2nd gear off the input shaft to get 5th off.
Its pressed on and the bushing on 5 needs replacing.
BMW R1150GS,XT600 Tenere,FJ1100 bobber, Ducati 999 BiP x 2

JMR

Quote from: Indiana jones on May 01, 2019, 04:42:25 PM
I'm failing miserably to get 2nd gear off the input shaft to get 5th off.
Its pressed on and the bushing on 5 needs replacing.
You using heat?

Indiana jones

Yes, I am.
Haven't reddened it yet.
BMW R1150GS,XT600 Tenere,FJ1100 bobber, Ducati 999 BiP x 2

Indiana jones

Coils mounted and wired.
Carbs(Rs38 Mikuni) plumbed and q/a throttle hooked up.
Almost ready for a start!
BMW R1150GS,XT600 Tenere,FJ1100 bobber, Ducati 999 BiP x 2

jscgdunn

Very cool project.....soon to be new winner of "Most Modified" :pardon:
92 FJ1200 2008 ZX14 Forks, wheels, 2008 cbr 600 RR swingarm
92 FJ1200 2009 R1 Swinger, Forks, Wheels, 2013 CBR 1000 Shock
90 FJ 1200 (Son # 2), Stock
89 FJ 1200 Built from parts: (Brother bought it) mostly 92 parts inc. motor
84 FJ 1100 (Son #1), 89 forks wheels, blue spots

Indiana jones

Build currently stalled due to Isle of Man mechanic duties.
BMW R1150GS,XT600 Tenere,FJ1100 bobber, Ducati 999 BiP x 2

fj1289


Indiana jones

It's been a while since I updated, bit I had a bit of bad luck during the summer. :Facepalm:
My house, a 350 year old traditional farm cottage, burned to the ground.
Pretty much took everything I own with it.
I'm only getting back on track after the ordeal.
Thankfully, it was insured, but money can't replace what was lost.
Luckily, I didn't have my project on display in my sitting room, but I did loose my beautiful BMW, 1150Adv.
My Nova close ratio tranny and Barnett clutch were in the house, but I have another set located.
Hopefully, I'll be making progress soon.
Updates to follow.
Great results for Team USA at the Phillip Island Classic.
Mojo Yamaha and CMR frames doing the job.
BMW R1150GS,XT600 Tenere,FJ1100 bobber, Ducati 999 BiP x 2