After buying a set of 28" Silverbacks and test riding them around a bit we decided that the current stock Rincon could not easily handle such a huge set of tires.
We decided to look into the Big Red Gear Swap instructions that we found over at atv-guru.com.
The instructions can be found here at:
www.ATV-GURU.com/BigRedGearSwap.htm
Total parts to do the swap cost us around $160.
Also we had gear dog issues such as is talked about in part 5 and decided to replace the case seals since we were there...
Those parts cost $226+ and are listed below also.
Here is our part list for just the gear install.
| Part Number | Quantity | Description | List Price |
| 23621-HL1-A00 | 1 | GEAR (16T) | $25.56 |
| 23722-HL1-A00 | 1 | GEAR A (13T) | $48 |
| 23631-HL1-A00 | 1 | GEAR (41T) | $42.84 |
| 90459-HN8-B40 | 1 | WASHER (25X46X2) | $3.62 |
| 11345-HN8-000 | 1 | GASKET, RR. COVER | $20.21 |
| 11396-HN8-A60 | 1 | GASKET | $13.71 |
| 91311-MB0-003 | 1 | O-RING (18.5X2.4) | $1.56 |
| 91305-KE1-000 | 1 | O-RING (19.4X2.3) | $1.38 |
| 91305-HN8-003 | 1 | O-RING (17X3.6) | $1.96 |
| 94109-12000 | 1 | WASHER, DRAIN (12MM) | $0.5 |
| 91305-GE1-920 | 1 | O-RING (9X1.8) | $1.29 |
| Total = | $160.63 |
Here is a list of other parts we chose to replace.. the 3 case seals, gear dogs, and gear shift fork due to damage.
| 91021-HN8-003 | 1 | BEARING (25X37X17) | $11.35 |
| 91203-KCY-671 | 2 | OIL SEAL (25X35X5) - Main shaft seal's | $5.82 |
| 91261-MB0-003 | 1 | OIL SEAL (34X50X7) - Pull starter seal | $9.53 |
| 24211-HL1-A00 | 1 | FORK, GEARSHIFT | $45.8 |
| 23641-HN8-000 | 1 | SHIFTER, FINAL - Gear dogs | $24.87 |
| 23645-HN8-000 | 2 | GUIDE, FINAL SHAFT - Gear dogs | $61.69 |
| 90616-969-000 | 1 | CLIP (32.5MM) - just in case | $1.6 |
| Total = | 226.17 |



