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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Gorr 05 YZ144 project is a success
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[QUOTE="147leeman, post: 873510, member: 18627"] bclapham- thanks for the tip on the linkage bolts, I expect to be inspecting these important bolts on a regular basis. Luckily, here in Indiana our MX tracks aren't filled with the huge doubles and dangerous whoops. We're still kind of old school MX compared to other states and maybe that will take some of the worry out of the ti axles and linkage bolts being bent or damaged from hard landings. DEX- I've got about six magazines for you that will help. (I'm at work and can't remember what months) One has the hardpack tires of many brands and they're weights, one with intermediate tires and weights, one with soft terrain tires and weights. Most of the soft terrains were lighter than the rest. They weighed the big bike back tires w/ 19" so the 125's will have lower weights and a slightly smaller difference in weights because they're skinnier. They also have the fronts and since they're the same size, the weights came out exactly to what I weighed them as. As for the other 3 mags I've kept, they have weights of pants, helmets, boots etc. The aluminum bolts easily strip out or bend. The Ti bolts require some sort of anti-seize so they don't get stuck. I've heard of a few people bending Ti rear axles so I check the important ones so I don't have a disaster. With so many parts changed on my bike, keeping a list of stuff to check / watch is very important. EK's MRDL has lightening holes drilled to reduce weight and I've seen many works 125's with that chain or a copy. Not sure of chain weights of other models, but O-rings do add considerable weight. The clutch plates have lasted about 4 practice days indoors for me. They were right on the service limit when I changed them last. The shorty silencer is from FMF, but it's not the Titanium one...I couldn't dropped some more weight there and may plan get one. I'm sure Pro Circuits shorty has similar weight loss. Haven't even thought of the clutch basket. Assumed the cast alum. stocker was lighter than the billet ones made, but I'll check into the forged ones weight. This bike comes with Excel rims, I've got some articles saved about after market wheelsets and weights. Excel wheel assemblies only are 1 oz. lighter...couldn't justify that price. Talon / Rad hubs are the same or heavier. Stock spokes are the lightest...Buchanon are 8 oz. heavier per wheel. Heavy tubes are just that, heavy...stock are lightest. On a side note, the drive train weight was reduced dramatically (clutch plates, 2 sprockets, chain, rear tire, ti sprocket bolts/rotor bolts etc.) and the motor would rev too quickly. Add the 144 kit's power and the gearing definitely needed changed. More to come later.... [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Gorr 05 YZ144 project is a success
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