Read it and weep ! From the race tech site....... 25MM OF SAG..... They been doin it for 20 yrs ! You've only been doing GP bikes 6 months ! I think they CONCUR with me................... Model Honda 98-99 RS 125R Date Friday, June 21, 2002 Custom Setup Serial Number 2002062111544.33 Name J F Motorcycle Weight (includes 35 lbs (16kg) of gas, oil and rider gear) 192 lbs Rider Weight without gear 150 lbs Type Riding Road Racing Skill Level Professional / Expert Stiffness Preference Standard Stiffness FORK SETUP Fork Gold Valve Kit FMGV S2040 Gold Valve Compression Valving Gold Valve Compression Valving c No Access Compression Piston Bleed (Number Drill and Metric) n/a Rebound Gold Valve FRGV S02 Fork Comments Rebound Gold Valve recommended Fork Valving Comments Standard installation Oil (US-1=5w, US-2=10w, US-3=15w, US-4=20w, US-5=30w) US-1 Oil Level 100 mm Compression Adjuster (Out – counterclockwise) 5 clicks Rebound Adjuster (Out – counterclockwise) 7 clicks Fork Spring Series (Click Here for Available Rates) OEM Recommended Fork Spring Rate (use closest available) 0.065 kg/mm (rates) Stock Fork Spring Rate (measured) .600 kg/mm (stock) Recommended Fork Spring Preload 10 mm Fork Spring Set Length mm Recommended Fork Sag 25 mm Compression Valving Shaft Nut Torque (use Loctite) 30 in-lb (0.35 kgf-m) Damping Rod Bushing (included in FMGV S2040B, 2044 & 2045 Kits) n/a Model Honda 98-99 RS 125R Date Friday, June 21, 2002 Rider Name J F Shock Gold Valve Kit SMGV S4001 Gold Valve Compression Valving Low Speed Compression Valving cL No Access High Speed Compression Valving cH No Access Gold Valve Rebound Valving Low Speed Rebound Valving rL No Access High Speed Rebound Valving rH No Access Bleed Jet (Number Drill and Metric) #54 (1.4mm) Shock Comments - Shock Valving Comments Standard installation Oil US-2 Nitrogen Pressure (14.5 psi =1 bar) 200 psi Compression Adjuster (Out – counterclockwise) 2 turns Rebound Adjuster (Out – counterclockwise) 11/2 turns Shock Spring Series (Click Here for Available Rates) OEM Recommended Shock Spring Rate (use closest available) 8.375 kg/mm (rates) Stock Shock Spring Rate (measured) 7.8 kg/mm (stock) Recommended Shock Shaft Nut Torque (use LoSpring Preload 10 mm Recommended Rear End Sag 25 mm ctite) 25 ft lbs (34 NM) SHOCK INFO & PRODUCTS Data
I will hardly weep my friend. What I think is really funny is that you are trying to use data from bikes that have a shock that cost more than the 97 TZ 125 you are trying to set up. Look at the crap you posted... Do you have Blue valves front and rear.. Randy is a fantastic rider and is on an A-kit Honda. I hardly think the the handling and mechanical set up principals from his bike have anything to do with your TZ. What we are TRYING to tell you is that we know how to set up a regular guys 125. I know I do and have a 960 CCS performance index with CCS to prove it on the bike you are trying to work on. If you dont want to listen that is fine. I know I only have 12 years of racing experiance so I really should keep my mouth shut. As always good luck.
I'm going to have to agree with Bill on this. I have his old TZ and it was set up. I couldn't even tell there was a suspension until I hit a big bump...flawless...the bike handled like a dream. Granted, I'm not the fastest rider.... I only changed the static sag per suggestion of Mike (at Traxxion) that it might help out with the bike getting a bit crazy on the brakes...body position would definitely fix it I think...it wasn't even that big a deal...so, back to the 1mm sag I think...and get my ass back on the seat and keep my upper body low (shorter moment arm to transfer uneeded weight to the front end).
mike, i will disagree with you here as does bill apparently. static sag no rider is nil on a 125 even if you disagree. when we were running more than that we were off the pace at PIR in a big way and now that we're at 1mm-nil were running within 3-4 seconds of the 125 lap record and consistently doing it. erik dadej rode my bike (and like me he weighs 133 lbs without gear) at willow to a lap record in timed practice, broke it again in qualifying and again, two more times in the race and we're talking 100+ degree temps so the conditions weren't exactly ripe for a record those days (it was killing me to watch another rider ride the piss out of my bike but broken up shoulder and all it was better than watching the simpsons at home). erik is regarded as an all around top notch rider and he climbed on the bike that friday and said it was perfect... don't touch anything. we must be dong something right. no tears here. jf
OK OK OK I give..... I'll leave you guys with the tiddlers do your own thing Bill------- It was a 92 TZ250 now a 98 partial kit TZ250. You may have seen me on the wall at Action in a shot winning the 94 ROC LWGP at Daytona. Say hi to Charlie if you go in for Yamaha parts...............
I hate to but in.... I have had 4 125's since the early '90's. 3 RS and 1 TZ. There is no static sag in the rear of a 125. Anyone who wishes to ride a bike with 25(!)mm of static sag in the rear is only harming themselves. That would put your laden sag around 45-50mm. thats like 2 inches! I don't think you could get enough protrusion fron the forks to compensate. Set the bike up per the manual. There is no static sag numbers because the bike is so light you can't have static sag and have the laden sag work out correctly. TZ mike, why you gatta be a ass about something nobody is talking to you about? Emmett Dibble CMRA, WERA, USGPRU #311ex
Rick, I understand the definitions, I was justing asking why no one mentions 'laden' sag numbers which are a hell of alot more meaningful... Don't make me come down to Ocee, Rocky
Emmet Please go back and read what I wrote SLOWLY. VERY SLOWLY You'll see that I stated 25-30mm with the rider ONBOARD.......... Not 25mm of sag under the bikes own weight.(static) Is this is the miscommunication what everyone is weirding out about ?????? Anyway, you guys seem to be tight knit in regards to the tiddler class, so I'll refrain from posting further unless its a 250 .... Let me log off before I get flamed !!!!!!!!!!
Aw, come on mike... you get to bust my chops all the time... let me bust yours just once in a while! how ya doin' out there? all well? jf