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Tech Talk / Re: Hmmm looking for more top-end. Piston Port 250.

« on: May 03, 2019, 02:42:29 pm »

John, are you able to post a picture of your bike?

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Tech Talk / Re: Hi -Low speed suspension for VMX

« on: April 17, 2019, 10:36:53 am »

The link points to TYPE 467/367 FULL ADJUSTABLE SHOCK

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Tech Talk / Re: Hi -Low speed suspension for VMX

« on: April 16, 2019, 10:48:03 pm »

Are these Shocks your own design?

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Bike Transport / KDX200 frame from Boronia to Perth?

« on: April 16, 2019, 07:29:49 pm »

Can anyone help out? Will pay.

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General Discussion / Re: All electric soon ?

« on: April 13, 2019, 10:53:15 am »

I sometime wonder if Industry is keeping some well guarded secrets. Imagine a battery the size of a cigarette packet that runs for 20 years and produces 240volts. Such technology would change the world and also change the world Geo-political balance. I wonder.

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General Discussion / Re: What rear shock spring rate needed for 4" travel? Any for sale or swap?

« on: April 13, 2019, 10:49:29 am »

Maybe the resident YSS specialist and chime in. Though if the shocks are rebuildable, the internal adjustments can be undertaken.

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Yamaha / Re: Motocross seat conversion for Yam DT1?

« on: March 06, 2019, 05:00:15 pm »

Quote from: John Orchard on March 04, 2019, 09:32:05 am

All sorted now, Ron Whitmore helped me out with an old RM125A,B,C seat that only needed a slight reshape of the front mount bracket.

Pit-Replica in Tailand are making me a cover with the 'RM125' removed from the side and putting YAMAHA across the back.

Are you able to post a photo of the seat? I have a DT250B and this seat maybe an option. Thanks.

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Yamaha / Re: Yamaha DT1, I have found a whole new interest & respect

« on: January 11, 2019, 10:47:20 pm »

Quote from: Mick D on January 11, 2019, 10:23:34 pm

http://www.eurospares.com/graphics/chassis/LightWeightWeaponCycleGuide.pdf

Good article, but I see the beginning of the small under-powered drum brakes. My 250B has a 160mm front and 150mm rear, compared to my KDX175 which had 110mm front and the KDX200 at 120mm. I reckon if they had stuck to big drums the disk brake evolution would have been deferred for sometime. I also like cush hubs. Under very slipper conditions they work well. Love my old honda XL350.

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General Discussion / Re: Pressing out swing arm axle

« on: January 01, 2019, 01:30:08 am »

Prevention is good. But in my case the bike had been parked for 18years. An electrical problem got the better of the owner. So these problems become the challenges for new owners.

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For Sale / Yamaha it guards, fenders for sale

« on: December 11, 2018, 12:52:19 pm »

might be useful for someone.
https://www.gumtree.com.au/s-ad/boronia/motorcycles/yamaha-it-fenders-mud-guards-125-400-vmx-vintage/1203664011

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General Discussion / Re: Pressing out swing arm axle

« on: December 05, 2018, 10:02:07 am »

Alternatively one could deploy air tools or use a rotary hammer. The constant banging usually breaks the bonds which bind the axles. We removed a stubborn axle with a rotary hammer and it took about 10minutes before the bonds let go and axle started to move. No collateral damage.

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