Hello Yamaha lovers!
I recently bought a new srx because my srx 600 -98 was stolen, sad but I was decent payed by the insurance company. My new srx is a 700 -01, was looking for a -02 but they are rare in my area. I´m satisfied with it has 750 miles, saddlebags and skidplate and get it for a good price. So far I only had a few minor problems, clutch side driveaxle bearing broke and the hyfax was worn out. It runs really great exept for the common overrev problem. I run stock 8dn-20 4.5/4.5 rivets stock primary spring Y-W-Y and I have tried both stock 47 helix with red spring at 80 and Dalton 51/43 with green at 60. I have also tried a Y-G-Y spring. It still overrevs about 8500rpm from start and climbs to 8700-8800rpm at high speeds. Runs 115mph. The strange thing is that I can´t see a difference in rpm between the helixes, or between the primary springs(ok not much difference in shift force on the springs and they are both used). But I think the helixes should make some change, I think it feels like the 51/43 pulls harder at slow speeds. I think that the difference in angle should make a difference in rpms at high speeds. I now the primary springs are to hard but I liked to try the parts I already had and go from there. Now to the question: do you guys think that the W-W-W whould bring my rpms down enough(I see others have problems with this) or should I buy a B-W-B and shim it if it drops too low?
I recently bought a new srx because my srx 600 -98 was stolen, sad but I was decent payed by the insurance company. My new srx is a 700 -01, was looking for a -02 but they are rare in my area. I´m satisfied with it has 750 miles, saddlebags and skidplate and get it for a good price. So far I only had a few minor problems, clutch side driveaxle bearing broke and the hyfax was worn out. It runs really great exept for the common overrev problem. I run stock 8dn-20 4.5/4.5 rivets stock primary spring Y-W-Y and I have tried both stock 47 helix with red spring at 80 and Dalton 51/43 with green at 60. I have also tried a Y-G-Y spring. It still overrevs about 8500rpm from start and climbs to 8700-8800rpm at high speeds. Runs 115mph. The strange thing is that I can´t see a difference in rpm between the helixes, or between the primary springs(ok not much difference in shift force on the springs and they are both used). But I think the helixes should make some change, I think it feels like the 51/43 pulls harder at slow speeds. I think that the difference in angle should make a difference in rpms at high speeds. I now the primary springs are to hard but I liked to try the parts I already had and go from there. Now to the question: do you guys think that the W-W-W whould bring my rpms down enough(I see others have problems with this) or should I buy a B-W-B and shim it if it drops too low?
yamaholic22
Active member
The W-W-W primary spring will get you real close with the 51/43 and the green spring at 60. If you were going to buy a helix i would say go with a 52/44. I setup a couple srxs now with that setup and find it to keep the rpms perfectly in check on long pulls. The 51/43 too often gets an overrev even if the clutches are in top shape (fresh bushings and spring, perfectly clean, new belt). Also depends on how strong your srx is. For many the 51/43 works fine.