Engine Oil Pump Assembly for Honda Rincon 650 680 TRX650 TRX680 Pioneer 700 SXS700 Big Red 700 MUV700 Replaces 15100-HN8-010
Engine Oil Pump Assembly for Honda Rincon 650 680 TRX650 TRX680 Pioneer 700 SXS700 Big Red 700 MUV700 Replaces 15100-HN8-010
Brand Name: M MATI
Origin: Mainland China
For ATV Brand/Model: HONDA
Special Features:Oil Pump Assembly
MPN :Ā Ā 15100-HN8-010
Package : Oil Pump Assembly x 1
Warranty : 1 year
Condition :Ā Ā New
Fit for following Ā HONDA ATVĀ
Big Red 700 MUV700 2009-2013
Pioneer 700 SXS700 2014-2024
Rincon 650 TRX650 2003-2005
Rincon 680 TRX680 2006-2023
š ļø Installation TipsĀ
-
Absolute Cleanliness: Before opening the crankcase, ensure the engine exterior is steam-cleaned. Even a tiny grain of sand entering the oil pump can score the rotors and reduce oil pressure.
-
Prime the Pump: Before final assembly, pour a small amount of fresh 10W-30 engine oil into the pump's intake port and rotate the gear by hand. Never start a new pump "dry."
-
Check the Drive Chain/Gear: Inspect the oil pump drive chain and sprocket for wear or excessive slack. If the chain is stretched, it can cause the pump to skip or vibrate.
-
Replace the Gaskets: Always use new O-rings and gaskets (not always included in the pump assembly). A leaking O-ring on the pickup tube will cause the pump to suck air instead of oil (cavitation).
-
Oil Screen Inspection: While the case is open, thoroughly clean the oil pickup screen. A clogged screen is often the original cause of oil pump failure.
š Troubleshooting Guide
| IssueĀ | Possible Cause | SolutionĀ |
| Low Oil Pressure Light | Worn pump rotors or clogged screen. | Check oil level first. If full, the pump's internal tolerances may be out of spec, failing to build pressure. |
| Delayed Shifting (Rincon/Pioneer) | Insufficient hydraulic pressure. | These Hondas use oil pressure to shift gears. If the bike hesitates to move or "slips" in gear, the oil pump may be weak. |
| Metallic Grinding Noise | Internal pump bearing/gear failure. | Often caused by contaminated oil (metal shavings). Replace the pump and flush the entire engine twice. |
| Foamy Oil on Dipstick | Air leak on the suction side. | The pump is sucking air through a bad O-ring or a cracked pickup tube. This will cause the pump to whine and fail prematurely. |
| Engine Overheating | Lack of oil circulation. | If the oil isn't reaching the oil cooler, the pump isn't moving enough volume. Check the pump flow rate. |
Description
Brand Name: M MATI
Origin: Mainland China
For ATV Brand/Model: HONDA
Special Features:Oil Pump Assembly
MPN :Ā Ā 15100-HN8-010
Package : Oil Pump Assembly x 1
Warranty : 1 year
Condition :Ā Ā New
Fit for following Ā HONDA ATVĀ
Big Red 700 MUV700 2009-2013
Pioneer 700 SXS700 2014-2024
Rincon 650 TRX650 2003-2005
Rincon 680 TRX680 2006-2023
š ļø Installation TipsĀ
-
Absolute Cleanliness: Before opening the crankcase, ensure the engine exterior is steam-cleaned. Even a tiny grain of sand entering the oil pump can score the rotors and reduce oil pressure.
-
Prime the Pump: Before final assembly, pour a small amount of fresh 10W-30 engine oil into the pump's intake port and rotate the gear by hand. Never start a new pump "dry."
-
Check the Drive Chain/Gear: Inspect the oil pump drive chain and sprocket for wear or excessive slack. If the chain is stretched, it can cause the pump to skip or vibrate.
-
Replace the Gaskets: Always use new O-rings and gaskets (not always included in the pump assembly). A leaking O-ring on the pickup tube will cause the pump to suck air instead of oil (cavitation).
-
Oil Screen Inspection: While the case is open, thoroughly clean the oil pickup screen. A clogged screen is often the original cause of oil pump failure.
š Troubleshooting Guide
| IssueĀ | Possible Cause | SolutionĀ |
| Low Oil Pressure Light | Worn pump rotors or clogged screen. | Check oil level first. If full, the pump's internal tolerances may be out of spec, failing to build pressure. |
| Delayed Shifting (Rincon/Pioneer) | Insufficient hydraulic pressure. | These Hondas use oil pressure to shift gears. If the bike hesitates to move or "slips" in gear, the oil pump may be weak. |
| Metallic Grinding Noise | Internal pump bearing/gear failure. | Often caused by contaminated oil (metal shavings). Replace the pump and flush the entire engine twice. |
| Foamy Oil on Dipstick | Air leak on the suction side. | The pump is sucking air through a bad O-ring or a cracked pickup tube. This will cause the pump to whine and fail prematurely. |
| Engine Overheating | Lack of oil circulation. | If the oil isn't reaching the oil cooler, the pump isn't moving enough volume. Check the pump flow rate. |
