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Fork Oil Viscosity

Fork ( light wt oil) for cannon or slide valves

Brand Weight cSt @ 40C cSt @ 100C Pour Pt (F) Flash Pt (F) VI Type
Royal Twin Disc 5.2 1.7 -45 195 95 petroleum
Red Line  Like Water 5.5 2.3 5 305 344  synthetic
Pennzoil TW5 6.7 2.8 -39 185 373 ???
Denicol CFF SAE 3.5 7.0 2.4 -40 298 201 ???
Selenia Fork 2,5 W 9.2 3.1 -40 318 230 ???
Red Line Extra Light 9.8 4.4 1 305 402 synthetic
Castrol Fork Oil 2.5w 10 2.5 -76 ??? 145 ???
Chevron Hyd. Oil AW 10 10 2.5 -38 309 48 synthetic
Neo 7wt Trans. Oil 10 4.4 -75 410 159 synthetic
Spectro SPL Ultra Light 10 4.4 -75 230 385 synthetic
Torco RFF Fork 5wt 11 4 -58 ??? 325 blend
Bel-Ray HVI 3wt * 13 4.1 ??? ??? 300 ???
7th Gear Shock Oil Light 13 5.0 -71 262 383 ???
Spectro 85/150 14 3.4 -25 208 150 blend
AMA Fork 5 14 3.8 ??? 338 105 ???
Torco RSF Shock Light 14 4.7 -76 334 288 synthetic
Maxima Shock Oil 3wt 14 5.2 -85 207 378 petroleum
Silkolene PRO RSF 2.5wt 14 5.8 -35 167 464 ???
OJ Racing Type 01 15 3.5 -76 ??? 106 ???
OJ Racing Type 05 15 3.5 -58 342 104 ???
Denicol CFF SAE 5 15 4.0 -38 374 165 ???
Midland X-Tra Light 15 4.3 -44 374 212 blend
Honda HP 5wt * 15 4.5 ??? ??? 140 ???
Yamaha 01 Fork Oil * 15 4.5 ??? ??? 150 ???
Bardahl XTF Synthetic 15 5.6 -44 230 369 synthetic
SLP Extra Light ??? ??? -95 ??? ??? synthetic
Mobil Fork Oil 5wt 15 ??? -40 331 150 petroleum
Maxima Fork Oil 5wt 16 3.5 -25 335 150 petroleum
Maxima Racing 5wt 16 3.5 -25 335 150 petroleum
Motul Fork Oil Very Light 16 3.5 -17 370 100 ???
Kuttenkeuler Extra Light 16 4.1 -49 356 157 petroleum
Amsoil STL 16 4.4 -54 347 210 synthetic
Torco RFF Fork 7wt 16 5 -58 ??? ??? blend
Ohlins No. 5 16 ??? ??? ??? ??? ???
OJ Racing Type 07 17 3.9 -62 356 124 ???
Kayaba 01 17 4.1 ??? ??? ??? ???
Pro Circuit PC-01 17 4.1 ??? ??? ??? ???
Showa SS7 17 4.1 ??? ??? ??? ???
Agip Fork 2.5 18 4.4 -60 329 162 blend
Red Line Light 18 7.1 -6 305 407 synthetic
Bardahl XTF Special 19 4.1 -22 243 118 petroleum
AMA Fork 10 20 4.5 ??? 347 107 ???
Torco RFF Fork 10wt 20 5.7 -58 ??? ??? blend
Motul Fork Oil light 20 6 -33 392 260 ???
Bel-Ray Fork Oil 5wt * 20 6.2 ??? ??? 280 ???
Silkolene PRO RSF 10wt 47 14 -47 284 303 ???
SILICONE CST @ 25 deg C            
DM-3 3 2.4 1        
DM-5 5 4 1.5        
DM-10 10 7.9 3        
DM-20 20 15.2 6.7